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2 definitions by goby's old man's sister

 
1.
something very funny that makes you laugh so vigorously that it is as if you are excercising in hopes of getting abs.
Oh my god, the products in that catalogue aimed at senior citizens were 4 minute abs!
by goby's old man's sister October 22, 2007
 
2.
Laughing so hard that it is as if you are getting a work out.
I was getting abs over that dog eating it's own vomit.
by goby's old man's sister October 22, 2007