A short term that means Welcome Back from Iraq Sex. Take out the from. When a married man or a man with a girl returns from Iraq, the coupleusually has Welcome Back Sex for about two to three days. All this sex usually ends with a baby.
Sherry: Tina I haven't seen you around for about 3 days since Jim came home from Iraq.
Tina: We've been having WBIS for 5 days stright and we're having a baby!!!!!!!!!
1.an alternative to the massively over used word "emo". while similar in meaning and usage, wbill refers to a smaller subculture of the punk/indie genre where individuals seek to fall in love rather than engage in frequent one night stands.
dude, your too wbil to be worrying about that slutty asschick. You gotta realize that all she ever wanted was some quick cock.