the act of shoving a high heel or stiletto heel into the ass of a girl; usually done while hitting her doggy style. The rusty comes from ass, like in the rusty trombone. The hynea comes from the fact that its funny so when you tell your friends about it it is not uncommon to laugh like a hyena.
I was over erica's house last night and I saw a high heel on the bed while I was hitting her from behind: so I gave her a rusty hyena.
by mike anderson 26 April 15, 2010
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Someone in a group of assholes who laugh at abuse for a social status
that group of EGO hungry bullys are a bunch of social hyenas
by monkeyboyliam May 15, 2017
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An urban legend of the Westside of Los Angeles. It is said that a creature with a hyena's head that walks on two legs like a person has been seen late at night. It has been seen walking from far away in Pacific Palisades and Santa Monica
Guy 1: I saw something walking outside my place in Malibu!
Guy 2: Maybe it was Hyena Face!
by jb2701 January 20, 2017
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A late middle aged to older homosexual man that joins a health club in order to lurk around the shower room (usually fully naked) in order to gawk and salivate over younger men as they get dressed and undressed.

Typically characterized by a slumped posture, thin gray mustache and weasel-like eyes.
Yeah man, I bet he is a shower hyena...accidentally drop your towel and you will hear him pant like a hyena
by wrich73 August 5, 2010
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Someone who laughs at inappropriate times.
LAUGHING HYENAS:

Dick laughed at the wedding, and exclaimed "Oh Brother!", when his ex-girlfriend said "I do".

Willy laughed at the funeral when the Cardinal stated that Father Dickinson had been an excellent priest.
by Trojan Getcid July 2, 2006
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a girl that sits at the front of the class pulling faces and looking stupid
"Emma you look like a Demented Hyena" - Mrs Cox
by puka August 2, 2012
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A man who squeaks, squeals, makes high-pitched moans, and/or other disturbing, hyena-like noises while cumming.
"The sex was good until he came and started making all these squeaks and noises, a total hyena cummer!"
by rahthegreat April 5, 2006
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