a beenie is a boner usually formed at the sight of a hot girl.
Wow that chick is slammin, I instantly popped a beenie.
by Big DiBs August 11, 2006
a wool hat worn typically during winter. its fits like a skull cap but covers the whole top head including ears. Also known in hip-hop circles as a B-hat
check out my new beenie hat its well warm
by Nox Noctics July 24, 2006
In Jamaican slang: small
Beenie Man, the singer, got his name from starting his carrer when he was 8
by Mad Meex October 08, 2006