This is when you kiss a women after licking her out, while she's on her period. The period blood should collect in your mouth and during the kiss you pass it onto her.
NOTE: If you wanna try this be aware that you can actually catch HIV from doing this as you're swaping blood.
"My boyfriend gave me a rainbow kiss"
when you kiss after cuming during 69in'
also called a snowball
After my girl & I 69ed we snowball kissed each other and exchanged cum
A "thunder kiss" occurs when you blow a fart while getting a rim job.
Since my girl was nice enough to give my asshole a tongue bath, I figured I would return the favor by blowing her a thunder kiss.
kissing which also involves licking the other person's tounge
man: before we had sex we did some kissing with tounge
When two homeless people take a dirty tennis balls and share it between their anus'.
I got a pdx kiss last night, he got the tennis ball.
A person or a group of people who can't seem to get anything done.
Tom: Dude, I can't get this boss down...
Dan: Is your group good and do they know what they're doing?
Tom: ... sort of...
Dan: Serpents Kiss...
Taking satisfaction or delight in calling attention to the elephant in the room. Sometimes humping the elephant.
He often makes people uncomfortable because he's the kind of person who likes kissing the elephant.