waphoon 

To rain extremely hard.

Oh my God, it is waphooning out.

waphoon by sarie59 July 3, 2009

wahoona 

Hawaiian street slang for VAGINA, VULVA, or PUSS-AY. Most commonly used in Muskegon MI by shoobies.

Derek Phipps has a wahoona and likes dicks in it.

wahoona by Riiiiiiiiiiiiiick July 6, 2009