Definition of wazoo in English:

wazoo

noun

US
informal
  • A person's buttocks or anus.

    • ‘Yeah, but if you do that again I'm going to put the showerhead up your wazoo.’
    • ‘There were times when being moderately famous was a big pain in the wazoo.’

Origin

1960s: of unknown origin.

Pronunciation:

wazoo

/wəˈzuː/