A cough you put lots of power into.
...
COOOOOUUUUUUUUUGHHHHH!!!!!!!!!!!!!!!
My friend: What a pough, dude.
The ROBLOX death noise. Also the word of expression you use when you fall down on the snow that's coated with ice here in the midwest.
My Friend: Bring the sled back up!
Me: Ok
*Walking*
Me: Oh no- OOF!