Egg Swapping
When two lesbians engage in scissoring while both on their period.
"we were both dropping our eggs this month and we decided to try Egg Swapping"
egg swap
Sharing semen, usually by spitting it from one mouth to another. So named for the raw egg texture of a load of cum.
I don't know how to feel about my girlfriend -- she wants to egg swap after I fuck her in the ass and go shrimpin'.
Egg-Swapping
When two young hipsters (typically Japanese) carefully spit eggs into each others' mouths as a way of making out. It was featured on the =3 RayWilliamJohnson show and uploaded on Youtube (called "Egg-Swap: WTF Japan Seriously!?").
Yo, did you see that weird ass video on YouTube??? Two chinks spitting eggs into each other...egg-swapping...
Egg Swapping
When you stick an egg up your ass so it gets hard boiled by your body heat and then you and your boy kiss your ass holes together and you shit the egg into your boys ass.
You: Bruh you wanna try egg swapping?
Your boy: Ah hell ya!
Your boy: Ah hell ya!