Inserting anything of fist size or larger into the anal and then taking it out. The remaining gap is the krater.
jaquim likes to get kraters.
by Gustavo Ramirez October 03, 2006
1 more definition
Inserting your fist into someone's anal cavity and then pulling it out suddenly leaving their butthole wide open resembling a crater.
Hakeem got a krater from Eduardo and now he can't walk right.
by Hard money October 05, 2006