Kissing... especially as far as making out. Comes from the act of exchanging saliva.
Usually only heard in guy-centric locales: locker rooms, frat houses, etc.
Yo dog, Angela started swappin spit, and before you knew it, we were all over each other.
a feat of stealth used by thieves to successfully pilfer items atop a pressure plate.
wife speaking to her husband: why is this coffee so weak, were you fucking swapping the monkey with your cup in the coffee maker again? that's it! we're getting a divorce!
When you take a shit standing up and putting your head down to a position where you can see your genitals and take a shit right after you slide your hands through in a long snapping motion
Gabe: "I'm going to take a shit near that bush."
Robert: "Alright, but don't start long snapping or else it'll be awkward for the other campers."