A sexual activity in which both partners are on all fours and one partner eats candy out of the others' ass crack, therefore making it appear as though the couple has 8 limbs and one body.
Guy 1: Dude, you have chocolate in your teeth...
Guy 2: Bro, that's not chocolate. I gave this bitch a candy spider last night.
Guy 1: Nice! I've never give one...I'm arachnophobic.