Gumshot
When a person gets very excited about a subject or when they are laughing and accidentally spits/shoot the gum they are chewing out of their mouth.
Bob: Wanna hear a joke?
Joe: Yea, sure.
Bob: A guy walks into a bar. ouch!
Joe: Hahahahah-(gum falls out of mouth)
Bob: Oh dude! Ha, nice gumshot.
Joe: Yea, sure.
Bob: A guy walks into a bar. ouch!
Joe: Hahahahah-(gum falls out of mouth)
Bob: Oh dude! Ha, nice gumshot.