When a person creates a seal with their lips and pushes air onto another persons body part. The forced air breaks the seal and the vibrating lips cause a fart like noise to be produced.
Warning: kissy farts may cause laughter if those affected are ticklish.
I woke up laughing this morning to my girlfriend under the covers giving me a kissy fart on my kidney." "Wow, that sounds like a passionate dutch oven to me, you two are special, my kids laugh,cry and nearly pee themselves when i lay huge kissy farts on their tummies.""I feel bad for being mean to you that night. Thinking about it makes me wanna jump on you and give you kissy farts."