[?] Explanation Ever since the original Super Mario Bros.., most blocks that contain powerups, coins, etc., have had a question mark on them. This indicates that they're supposed to be "mystery" blocks, the original idea being that when playing the games for the first time, you were never supposed to know what the block will have.
Sunshine Bowser says: "Mario! HOW DARE YOU DISTURB MY FAMILY VACATION!"
Mario Kart: "Hi I'm Daisy!" Explanation Daisy's most common line in Mario Kart: Double Dash and a few subsequent games.
Waluigi is everywhere. Explanation Partly due to Brawl In The Family and due to the character´s own behavior, Waluigi´s erratic and chaotic behavior has led him a certain fame of being capable of popping up anywhere, at any time.
WALUIGI TIME !!! Explanation Waluigi´s catchphrase.
Waluigi's Taco Stand. Explanation A fake game poking fun at the fact that Waluigi has yet to gain a noteworthy breakout role in a Nintendo game. No, his world domination plot from Dance Dance Revolution Mario Mix does not count.
Waluigi's Bridal Boutique Explanation Yet another job Waluigi might have. Inspired by The Runaway Guys' playthrough of Fortune Street, wherein Walugi (ProtonJon) buys a bridal boutique for absurd amounts of money.
Super Mario RPG: And you guys better watch out! He Knows About Timed Hits! Explanation If you refuse the tutorial on timed hits in the game, Toad will proudly boast that Mario knows all about it to a Goomba.
Whoa, who do you think you are, Bruce Lee? You can't just go in there, fists flying!
Mariocan kill the Sun.Explanation In one level of Super Mario Bros. 3, the Sun is visible. In truth, it's actually one of Bowser's men, the Angry Sun, and it makes a point to swoop down and ram Mario. Fortunately, it's not much bigger than Mario, and can be killed by hitting it with a Koopa shell.
Super Mario 64: "So long, gay Bowser!" Explanation A Mondegreen of what Mario says after tossing Bowser off of the boss arena.
Super Paper Mario: "BEEEEEEEEEEEEEEEEP. I AM ERROR. PRESS ANY KEY TO RESUME. SYSTEM NOT FOUND. INSERT INSTALL DISC. DISC NOT FOUND. PLEASE CONFIRM DISC COVER IS CLOSED. READ ERROR. INSERT BOOT DISC AND PRESS ENTER. NO RESPONSE. SYSTEM MAY BE BUSY OR MELTING INTO SLAG. APPLICATION ERROR. SAVE YOUR WORK AND QUIT. YOU LOST EVERYTHING. WAY TO GO. GENIUS. WAITING FOR PROCESSORS. "404 computer hamsters not found." THREAT LEVEL UPGRADED TO JELLY ROLL 1. DETONATION IMMINENT."
CTRL ALT DELETE!Explanation The first boss you fight in the game was going to give you his Plot Coupon without a fight, but then he gets his circuits fried by The Dragon. The preceding [literal] BSOD ensues.
GREEEEEEN!Explanation The very first thing the final boss of Super Paper Mario does upon assuming his form is say this. It's completely out of place and random.
Oh great, now I look like the evil king of GUYS WHO TALK TO POSTERS! Explanation Bowser mistakingly thinking a poster of Peach is the real thing in Paper Mario 2: TTYD. Why yes, he is comic relief in this game, how did you guess?
Hotel Mario has many cheesy lines that have achieved meme status, including:
Mario Party: Bowser Communism. Explanation One of the possible outcomes of the Bowser Space is "Bowser Revolution", in which Bowser distributes everyone's coins evenly. Political references follow quickly. The term itself was popularized by The Runaway Guys.
D'OH, I MISSED!Explanation One of Wario's failure quotes in the N64 games. It's almost never appropriate in context. Once again, popularized by The Runaway Guys.
You're lousy! Explanation Waluigi's unlockable taunt in Mario Party 6 and 7. This time, popularized by pokecapn's posse.
NYARGLEBARGLE! Explanation Bowser Jr.'s Evil Laugh from his appearance in Paper Mario: Sticker Star. It appears in a trailer for less than half a second, yet managed to become memetic within an hour of its first appearance.
PUSH START TO RICHExplanation Dian Shi Ma Li (Mario Lottery), one of the early unlicensed NES games, had this little gem thrown at you whenever you hit the jackpot. It's not the Start button you've got to press, though, because it's actually B.