Verb;
slang for "to
orgasm."
Origin, 2017, United States. First said by Leigh Daniel Avidan of Game Grumps, Ninja Sex Party, and Starbomb while playing
Sonic Unleashed.
"Well, you know, I wasn't planning on having little
Johnny, but I
goofed inside of my girlfriend, so here we are."
"
Aw, I'm gonna goof all over you!"