17 definition by COLLEEN

noun
Your best friend.

My bf is a great friend.

by Colleen January 19, 2004

Means boy in irish. Famous people include: Colin Farrell, Colin Mokery (whose line), and colin a character on everwood.

Irish person: Hey there colin!
Colin: Hey how'd you know my name!?!?!?

by Colleen May 28, 2003

performing some kind of sexual act or foreplay; mackage

"Last night me and Billy Bob we're macking it hardcore"

by Colleen September 08, 2004