Rainbow kiss 

when a girls on her period and gets licked out then gives him head and they pull straight after.

im on my period finally so now we can have a rainbow kiss.

Rainbow kiss by doovde January 16, 2008

rainbow kiss 

rainbow kiss is a part of nature

kissing a girls fanny wen shes on her periods and getting blood allover

rainbow kiss by Anonymous October 28, 2003

rainbow kiss 

To put different bodily fluids such as semen and a girl's period into a glass (or not) and drink it

Mmm, that rainbow kiss tasted musky!

rainbow kiss by Matt August 14, 2003

rainbow kiss 

an extention of red socks
once red socks has been achieved the couple kiss and exchange the expelled blood

girl: shall we rainbow kiss now

Guy: (muffled) mmm hmm

rainbow kiss by james J.D.R. April 26, 2011

rainbow kiss 

a homosexual kiss

Hey did you see that guy give that other guy a rainbow kiss?

rainbow kiss by King Shit January 18, 2003

Rainbow Kiss 

A man goes down on a girl during her period, Blood goes into the guys mouth.

The girl then goes down on the guy, the guy cums in her mouth.

They kiss and exchange blood and cum while doing so.

"Do you want to try 'Rainbow Kissing' tonight?"

Rainbow Kiss by Meaner Define February 28, 2020

Rainbow Kiss 

When a guy gives a girl head while she’s on her period

Mark gave Jenna a rainbow kiss on her birthday

Rainbow Kiss by AHowell123 November 29, 2020