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6.
When a man finishes having sex with a girl who is on her period, he then sticks his hand into her vagina and swirls it, causing the semen and blood to create a lovely peppermint effect.
"My girlfriend didnt tell me she was on her period, so when I found out, i gave her a peppermint swirl."
by copernicus p. alfonz July 19, 2003
 
1.
when a woman is on top during her period then decides to drop the semen/blood mix into her partner's bellybutton. no outties.
the only time i don't gag when it comes to c-u-m is when i'm givin the ole peppermint swirl
by girlnarly May 30, 2011
 
2.
Where a man punches his partner in the nose, causing blood to drip down the face. Then he ejaculates on the bloody area and swirls his penis in the mixture of blood and semen, creating the look of a peppermint swirl.

by Bob July 09, 2003
 
3.
When a woman is on her period and bleeds into the mans mouth and he then cums in her mouth and then they make out making a peppermint swirl
Guy 1: Dude me and Haley did a Peppermint swirl
Guy 2: Dude your fucking gross!
by Im Batman!!!!!!! November 18, 2013
 
4.
The result of the completion of the following steps:

1) Man eats woman out while she's on her period
2) Woman gives man head

*Note: man keeps vagina blood in his mouth and woman keeps semen in her mouth

3) Both man and woman make out with a white and red combination of period blood and semen
Baby, that was a great dinner. Let's wrap things up with some delicious oral sex, then refresh ourselves with with a nice peppermint swirl. You get to keep it, this time.
by Ryan M K March 23, 2007
 
5.
When a man finishes having sex with a girl who is on her period, he then sticks his hand into her vagina and swirls it, causing the semen and blood to create a lovely peppermint effect.
by copernicus p. alfonz July 19, 2003