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1.
adjective

1. To a great degree.
If something is ass-fuckingly good, you might be willing to fuck someone's ass to get it or get more of it.

Some things are worth fucking someone in the ass for.

Wow! This video game is ass-fuckingly awesome!!
by DeRosset Myers July 31, 2006

Words related to ass-fuckingly

amazingly butt fucking greatly incredibly majorly