octofist
Sticking both hands in a girl’s snatch, locking your fingers like a meaty crab, then wiggling your fingers like you’re trying to catch her. If you want to go all out, use your thumbs to rub her clit like it’s a damn candy bar.
He did octofist on his crush and got called a meaty crab for the whole semester.
She said it felt like her snatch was being jiggled by a drunk crab.
He tried octofist on his ex and got a slap and a funny look.