The art of curling one out of one's back passage. An Ass Wazz is essentially taking a dump, simply put in an infinitely more eloquent fashion.
"I shall retire to the lavatory for a sumptuous ass wazz."
"Joyce expelled an almighty ass wazz across Nigel's face. Some went in his eyes."
"Joyce expelled an almighty ass wazz across Nigel's face. Some went in his eyes."
by Ian Gee May 2, 2006
Get the ass wazzmug.