look up any word, like half chub:
 
1.
n.

an event in which one or many fail or mess up in a moment of opportunity, and they are ridiculed by peers.

v.

to mess up, fail to clutch (in a gaming sense), or to otherwise not seize the moment and hang your head in shame with your friends watching.
Player1: "Dude, it's all you!"

*Player2 fails to see the enemy hiding in the bush in the corner of the map, get's sniped*

Player1: "Wow, what a chuck-up..."
by Black Theorem July 01, 2010
10 3
 
2.
The British way to say "vomit"
"I can't come to work, I've been chucking up all night",

"I bloody hate to chuck up"
by james999 July 30, 2008
11 4