Abbreviation for "you belong with me"
Boy: I'm on the phone with my girlfriend, she's upset. She's going off about something that I said. She doesnt get my humour like you do!
Girl: Can't you seeeee, ybwm!
Girl: Can't you seeeee, ybwm!
by ps.thisisthesecret September 27, 2009
Get the ybwm mug.