noun
Vulgar slang term for female genitalia. Highly offensive; used in explicit or derogatory contexts.
あの動画は肉壷が映ってるから気をつけて。
Be careful with that video because it shows pussy.
Compound of 肉 (flesh) and 壷/壺 (pot, jar), literally 'flesh pot'. The exact origin is uncertain, but the term is used as vulgar slang for female genitalia.