“She can pretty much [take it in] anything,” with CIM meaning “in mouth” (oral sex) and CIB “in butt” (anal sex). CID might mean “in deep” (without a condom), or it could be the similar-sounding CIT, a sex act involving the breasts. However, beyond the entries of obscure slang and not-so-wholesome acts of love-making, some surprisingly clever concepts materialize; as evidenced by these forty-five Urban Dictionary definitions that don’t involve a donkey and a vat of petroleum jelly: 1 of 47 Enjoy these hilarious Urban Dictionary definitions?.