an excuse for being extremly lazy and if you actualy have ass cramps you probly got them from sitting on your ass for an extended period of time.
"chuck-wanna go to the park
timmy-no, i have ass cramps
timmy-dude its not my fault i got ass cramps
chuck-no you dont and if you do you got it from sitting on the couch all day
timmy- no i got it from working yesterday
chuck-you got fired 3 days ago
1) Your ass having a cramp.
2) Someone who is a fun buster.
1) Dude, I have a asscramp.
2) You are such an asscramp!