These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
YMMV: Brentalfloss
Crosses the Line Twice: Tetris With Lyrics which goes on in great length about how girls are inherently addicted to Tetris. The particular moment of the second line crossing is when he uses the tune to hypnotize his girl into forgetting he's a dick.
Did Not Do the Research: In his Team Fortress 2 song, he sings download douchey hats on Steam. Hats either drop or are bought, and one of the pictures he showed was of hats sold for Japanese disaster relief.
Crazy duck in space Oh, I hope you keep me in the will You could buy the moon and say Put it on my bill On my billll!!!!
Painful Rhyme: his cover of the Zelda main theme begins with one.
"Do you recognize this melody? Well, duh..."
"But why? 'cause it's The Motherfucking Legend Of Zelda!"
Tear Jerker: "The 2-2 Blues"; a Randy Newman-esque arrangement of the Underwater theme from the first Super Mario Bros. game, all about how, even if Peach acts cold towards Mario, he'll still keep on swimming to her.