Outrageously Funny Word Dictionary :: Gru gru

👉 "GRU GRU - that's what we call a joke! It means 'guy rock urself,' but with a twist. It's not just any guy talking to you: it's the same person playing the guitar and singing the song you're supposed to be in, except they've got their shirt on upside down."

Example sentence: "GRU GRU! I'm gonna do my thing now, because I want to rock 'em up there!"