look up any word, like bukkake:
a contraction of the words Shit yeah
Me: Wanna hit the hot tub later?
Friend: Cheeyeah!
by UncleJesse1978 August 08, 2012
1. an expression to show great happiness
2. an expression to show agreement

1. I yelled, "Cheeyeah!" when my friend invited me to go to the amusement park.

2. She said, "That was a dumb idea."
I said, "Cheeyeah it was."
by The Clam November 04, 2007