The using of the fingers in a female's rear to loosen the hole up for further penetration. Much as working a settled choclate mousse into a whipped and easily spoonable concouction.
While I was doing her Doggy Style I was Working the Mousse so I could have Anal Sex with her later.
by Pierce714 March 20, 2007
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The character 'Chocolate Mousse' was a sensitive yet mucho black French mercenary in the 80's comedy film "Top Secret". Chocolate Mousse was often seen smoking a cigar and carrying large, inappropriate ordinance around in the film such as an 18th century ship cannon or a large oversized machine gun. In the 21st Century, Chocolate Mousse has become a cliche on internet websites such as fark and many people photoshop the character into stills from other films where he doesn't belong.
Brian was a tosser but he thought he was Chocolate Mousse around the ladies.
by Maya Lightwave October 11, 2005
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chocolate mousse swirled into a bowl coming out looking like poop
I tried to be fancy and squeeze the mousse from a ziploc, but it just became poop mousse.
Nel: Watch out for the dog doo
Ecid: Thanks. Hey, that reminds me of the poop mousse we had at Ard's place last night.
by ardnad January 21, 2007
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'Salmon Mousse' is a fish dish mixed with whipped cream or gelatin.
This Mousse is highly sort after by a french organisation which is translated to 'The Anti Fish League', this was set up after a number of cold fish dishes turned on thier consumers and tried to kill them.

'Salmon Mousse' can also be used to express how stupid you think someone is, thus comparing someone to the phrase 'thick as two shits'.
A: 'Becareful with that Salmon Mousse, we don't wnat it to kill us!'

B: 'Honestly, Craig. You're as thick as a Salmon Mousse'
by Shmopho June 20, 2006
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A smooth, light mass of fecal matter and corn whipped together by vigorous anal sex. Accumulates under the male glans and around the penile base.
She was terribly dirty but created a fabulous corn mousse.

I wiped the corn mousse off on the doilie on his night stand.
by Dick Onchin December 21, 2020
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what came out of chick's ass in two girls one cup
girl one: " I very much enjoyed your caboose mousse.
girl two: "did it come out too fast? Hurry, puke in my mouth."
by aboozed January 30, 2011
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