In any scenario where spooning involves three or more people, the person(s) in the middle who are neither big spoon nor little spoon, but rather some ambiguous undefinable spoontastic middle ground.
Person 1: "Cuddle party, my bed, now."
Person 2: "I call ambiguous spoon!"
When a man is unable to determine whether he's with a woman or a lady-boy because he can't determine whether she has a vagina or an inverted penis.
Marco: Hey Pablo, how'd you do last night? Did you score with the chick you were taking to?
Pablo: Yeah man, we went back to her place and went at it but I'm not sure she wasn't a he. Her vagina just looked and felt weird. I don't know she's got some ambiguous genitals.
Marco: She's probably just been with a lot of black guys!
Pablo: Man, I hope so.
derieved from the African culture, where a male species exchanges and sucks bodily fluids with another male, creating an excess amount of fluids in the mouth and the uterus of a tran.
Phil says "me, you, Ambiguous Mating!!", Toby replies "yes!!!! EXCHANGE FLUIDS!!!!" Both Toby and Phil "too much fluid in mouth and vagina.....yum!"