adjective - describes an extremely erotic song
The Scorpions - Animal Magnetism. Check it out.
Adjective describing a tune that's so catchy, it's almost like you're having an orgasm just listening to it.
Jack: "Hey, listen to this AWESOME new song"
Jane: "hmm.. ok"
Song ensues, solo is reached...
Jane: "ZOMG, this is songasmic!!"