A Boomboom - you flip someone upside down and rub your crotch against the

you flip someone upside down and rub your crotch against their face like it’s a sandwich

My brother boomboomed his friend during lunch. It was so bad, the teacher came over.

I boomboomed my friend at the party. He still hasn’t stopped laughing.

My mom boomboomed my dad. He couldn’t breathe for a whole day.