Refering to (generally in a male) an anus that has been widened by constant buggery. Usually a clown pocket belongs to a victim of anal rape. The name comes from the severe wideness of it being likened to that of a clown's pocket.
A vagina resembling a blown-out, retreaded tire. Pressures succumbed to by shitting out children have left the former tight-lipped treasure trove in a state of disrepair.
BF: "Yo babe how are we going to get the snacks into the movie theater? You don't have any pockets or a purse?"
GF: "Don't worry I have a 12 pack of diet coke and 5 large popcorns in my clown pocket."
By Danit
Clown's Pocket
A disturbingly loose and sloppily unattractive vagina, reminiscent of the oversized, floppy pocket on a traditional clowns' costume
I should have known, considering what a slut Tina was. Her fur pie was stretched wider than the coller of a fat kid's t-shirt. I could have fit six of my dicks in her clown's pocket.