A person who feigns interest in you as a friend, or potential lover, or even an associate. However, in reality they do things that’s counter-productive to it becoming anything but that.

Usually cancelling dates, or being one-sided, not contributing their share on outings, etc.
Gregory: Hey man, what’s going on today? Want to have some drinks tonight and maybe go on a stroll?

Thom: Sure, I’m down...what time do you have in mind?

Gregory (2 hours later): Sorry I had something come up, so I can’t join you tonight. Enjoy Chicago!

Thom: You fake ass mother fucker!!
by RainbowTwirk May 23, 2021
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(A phrase created by Steve Chambers during Senior Week 2007 in Ocean City, MD:)

(noun/adj): awkward, lazy, boring, creepy, dry, goofy, etc.
Valentine's a Slinky-Ass Mother Fucker!
by Scott Davies December 29, 2007
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A person so nuts or "ape-shit crazy" that they disturb peace, daily life, and very possibly the very fabric of the universe.
OMFG! Mrs. Puttana is such a crazy ass mother fucking bitch for giving us a eighteen page essay over Winter break! How I am supposed to enjoy my childhood like this?!
by ETON SOUPE February 5, 2015
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Than one guy/girl that basically has sex with their girlfriend in front of everyone
-That’s Bitch Devon he’s one crusty ass mother fucker
-I know right him and Emma are basically are having sex in front of the whole biology class
by _Lukster_ April 20, 2018
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