ROFLPMAO

used in online games means
Rolling On Floor Pissing My Ass Off
guy1: i'm cheating my wife since 1990 and she hasn't noticed it yet.
guy2: ROFLPMAO!
by daker May 22, 2006
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Undercunterated

When you underestimate how much of a cunt someone is
Wow, I undercunterated her!

How did you undercunterate that bitch?!
by Daker June 16, 2015
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