1) When someone 'deadens' or 'kills' an ongoing joke.
2) Can also be used to describe someone who frequently 'kills' jokes, creates awkward situations, and is just generally cringey
. This person would then be known as a Graze.
1) *everyone is laughing at ongoing jokes and conversation, someone adds in an unfunny comment that stops everyone laughing* - "man, you just Grazed it."
2) "oh him? don't invite him, he's the biggest Graze"