When it's against a guy with a semi short stack that likes to shove on the flop! (He's done this a lot)
7 handed 1/2 NL live
Villain has $52 in CO
Hero covers
Dealt to hero in SB
3 folds, Villain raises to $7, 1 fold, hero calls, 1 fold.
Flop ($16 in pot)
Hero checks, Villain bets $45, hero calls.
Villain shows
Turn paired the king, I don't even remember the river.
This wouldn't have been so funny if he hadn't got up from the table and started to walk away, then turned around and said "God damned idiot doesn't even know how to play aces and he just gets lucky and wins all my fucking chips. Fuck this!" and stormed out.