The act of having sex with a woman on the edge of a bed, and just as you come you let go of her and she falls off the bed.
Ron: Yeah!

Dierdre: WTF, you almost broke my neck!

Ron: Maybe so, but it was an awesome Cliff Hanger!!!

and

Realizing he only had a single bed and didn't want her to share it with him once they were done, he suggested they do The cliff Hanger.
by hornblatt April 19, 2010
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the ledge part of a girls ass just under the cheeks, the more over hang and perky it is the more of a cliff hanger it is!
2 guys

guy 1: hey you see that girl who just walked past? she had a cliff hanger ass!

guy 2: yeah not as nice and grabbable as my girlfriends ass though!
by blahhhhh69 July 15, 2013
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