While known to innocent unknowing people as a shortened version of pinky promise, more "experienced" people understand it to mean a vague reference to a fingering.

EITHER:
innocent: "alright then pinky me"
experienced: "what the hell? get away from me sicko"
innocent: "but . ."
experienced: "fuck off"

OR:
experienced: "how about you pinky me?"
experienced: "you know i will"
by josh45 November 27, 2006
Get the pinky me mug.