Thisxkcd strip features a guy who dreams up elaborate scenarios that fit this trope whenever he learns a new skill. In this case specifically, he dramatically saves the day with his knowledge of regular expressions.
Also, the autoresponder's description of how he would confess to Jake.
TT: If it's me going through with this, hypothetically,
TT: I'm not dropping some limp wristed shucks buster on his ass, and praying to the horse gods of irony for reciprocation.
TT: There will be no rocking back and forth on pigeon-toed feet, while my face flushes with the blood of a thousand timid bishies.
TT: I will not hold one tentative hand behind my head like a flustered asshole from an Asian cartoon, nor will an oversized bead of sweat overlap ludicrously with my visage.
TT: If it's me, I'm going all out.
TT: Oceans will rise. Cities will fall. Volcanoes will erupt.
TG: uuh
TT: What I'm saying is, it's going to be a scene, and bystanders need to brace themselves.
The Slice of Life webcomic Nectar of the Gods has these kinds of moments throughout the entire comic, considering it's just a comic about bartenders and mixing drinks. The writer uses a bunch of plots, some evil corporation, rivalries and drama that might make the comic slightly stray from its Slice of Life setting just enough to make it interesting. Bacchus is constantly making mixing drinks seem more epic than anyone ever thought it could be. Some of these may occur in the protagonist's bar or in a tournament or possibly in the open air.
Apollo Vindread (The protagonist's Father) Is a Wine brewer of almost every kind of Grape known for wine. Sousuke Nitroyuu once came to his Vineyard to taste his wine, if he liked it, he would buy 20 crates of each wine! Apollo Decanted the Winewith an Aura to make it taste so good that Sousuke bought all the wine he could.
Subsequently, when shut-in Marigold has some trouble bringing herself to open the door of a bar where she has agreed to meet the gang.
The Word Weary: In this comic, Lillith suggests a cool boss fight for John's D&D game- namely making the other characters fight Rasputin, who happens riding the Tsar of Russia (the Tsar is a white dragon.)
At the end of the year-long Penny and Aggie arc "The Popsicle War," the title characters and their friends celebrate their social neutralization of the bully ringleader Karen withfireworks, a custom normally reserved for national holidays of independence.
A staple of T-Rex from Dinosaur Comics. Ryan North also makes use of Bold Inflation in his comments to announce awesome things, such as posting some photos!