1 definition by Da bitch takumi
bk stands for a buzkill or someone or something that kills the fun. BK's are usually found making awkward interjections in a conversation that makes everyone in it want to leave.
kevin-"dude last nights party was so funny"
BK Yona-" oh yeah totally man, thanks for inviting me, god i have no friends"
kevin-".... what a BK!!!!!"
BK Yona-" oh yeah totally man, thanks for inviting me, god i have no friends"
kevin-".... what a BK!!!!!"
by Da bitch takumi November 8, 2011