grass party
n. a marijuana-smoking party.The goon squad raided Pete's grass party without any warning.Sally tried to have a grass party, but didn't have any grass.
kick party
n. a party where some drug is used.The kick party broke up early with the help of Johnny-be-good.There was a kick party at one of the crack houses, and even little children went in.
pot party
n. a communal marijuana smoking session; a party where marijuana is smoked.I didn't know you were taking me to a pot party!There was a bust at Max's pot party.