Gambling term (most common in poker) but also used in video games describing an angry or "reeling" state of mind usually caused by a big or unluck loss. People playing on tilt play below their usual abillity and usually make larger and more aggressive bets to try to quickly recover their loss.
Man matchmaking in CS:GO had me tilted the other night.
it is a hairstyle that is, in essence, a tilted bowl cut. this hairstyle has been made famous in the San Diego skate scene. Usually a derogatory term. Can be abbreviated to TBC.
"Dude, Brett's hair is so retarded"
"Yeah, he is such a tilted bowl cut"