"My best friend is a bicpocket, but he always returns my lighter as soon as he realizes what he did."
When confronted, a bicpocket will always act surprised when they realize they have your lighter.
Any person who once owned a Bic lighter eventually becomes a bicpocket.
The designated pocket you've chosen to store your cum in while you're out and about, usually located on your comrades jeans.
Yo ma guy the other day me and Kyle went down to the mall, while browsing jeans I just needed to empty myself, luckily Kyle was walking around with 2 of my cumpocket's