Top Definition
Before a woman is performs oral, she first puts a mint in her mouth.
"Lyss gave me the BEST peppermint fatty the other day. It was curiously fresh."
by C^B[ October 13, 2008
2 more definitions
When a girl gives you a blow job while she's chewing peppermint gum.
"aw i got gum in my bush after i got a peppermint fatty"
by Nico C. February 07, 2009
Putting Mint flavored gum in your mouth and then giving a guy head
Sandy gave me a Peppermint Fatty yesterday. It felt like my dick got a barmitsfa
by kjsdhfikllaiehfr April 05, 2010

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