1) like a poker face...revealing nothing
2) the scowl etched on inner-city kids faces
"Screwface means I'm not pleased/ Screwface means I'm not amused/ Screwface means I just wannawalk, not talk/ Screwface means I just wanna leave." ~ dizzee
Mouth stabbing until the point of regurgitation. Once regurgitation is achieved the man collects the regurge form off off his phallaginal region an proceeds to smack and reinsert regurge back into the oral cavity of mouth stabbee.
Repeat process until desired regurges have been achieved.
Did you get on the ropes and in all the corners?
I DID give Monica one helleva screwface stinger splash!