Crack flapping is the act of slamming your and your significant other's asscracks together in a fit of sensual joy.
The old lady and I got hot and heavy last night, and we started crack flapping. I came so hard I farted inside her.
by Mr. McGooch February 12, 2016
by mzyv April 14, 2016
by Bitchesssssss November 11, 2020
by Tingle Likes Rupees March 13, 2020
when three men/women put they're butts together as a male puts his penis inside and out them again and again until the male has to ejaculate, as he aims for the middle
by Honkykong13241324 June 22, 2011
When in an altercation, one takes his/her hand and drags it through his ass crack and smacks the opposing individual.
by Dat Boi Buhlahkay December 19, 2021