mexican chandelier
involves sexual intercourse whilst hanging from an orange tree. particularly in "69" while the male hangs from arms and female hangs from legs.
Guy 1: "Hey man! look at those two hanging from that orange tree making sweet love! WHOA! they're 69ing at the same time! what's that called?"
Guy 2: "oh! that's called the mexican chandelier!"
Guy 2: "oh! that's called the mexican chandelier!"