An onion muff is when a womans pussy smells like onions. It can happen when she eats too many onions, French onion dip, or Funyuns.
I went to go down on Janet after a long night of snacking and she had onion muff so bad I dipped a chip in it.
by B Rabbit 39 June 19, 2025
Get the Onion Muffmug.