0 a person's bottom (= the part of the body you sit on) or anus (= the opening through which solid waste leaves the body):
He said that evouchers were a pain in the wazoo.
I have insurance, taxes up the wazoo, and employees I am responsible for.
Do you know a plumber who can give you a hand and not charge you out the wazoo?
She thanked everyone and said she had volunteers up the wazoo.
