J-beaning is a sexual act, or fetish, where one pours jelly beans all over their lover and attempts to guess the flavors by consuming them off of their partner's body.
"Man, dis girl was into some weird ass shit, she had me j-beaning n errthang."
"I was j-beaning this guy last night, and everything was going well until I encountered the Buttered Popcorn™. Let's just say I won't be hearing from him again."
When a male and female are engaged in the sexual act of 69ing, and the male is getting his testicles and/or ass licked while simultaneously thrusting his erection between his partner's breasts.
"Dude, I was covered in pre-ejaculate after James Van Der Beeking with Ashley."