A portmanteau of jeans and penis that describes the upwards bump found near the waist caused by sitting down in jeans, especially those with zippers. Often resembles a small erect penis bulging from inside the jeans
I always leave my bag on my lap when using the bus so that no one can see my jenis.
by ihatejenis June 27, 2020
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A beautiful Bi-Polar woman. She will love you unconditionally one minute and hate you with extreme passion another. She will love you for a green card and leave you for an illegal alien. An angel and a demon trapped in one beautiful woman who will capture your heart and then smash into a million pieces.
Willy: That girl is so sweet.
Ronald: Proceed with patience and caution; she is a Jeny.
by Barry B. Gay October 29, 2010
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Another name for a bloody period. Especially one that there's so much blood it usually soaks through the chick's pants.
Oh no that chick is having a JENI! You can see the blood all down her pants!
by Reeeena March 29, 2011
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A bi-polar woman. She will love you unconditionally in the morning and hate you with passion in the afternoon. Jeny will always think the worst of you and accuse you of evil and deviant things with absolutely no basis. Jeny will love you for a green card and leave you for an illegal alien.
Q: Would you marry her
A: No, she's a Jeny
by Juan Fransisco October 29, 2010
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to befriend someone at a sporting event
I was running a race in the dark, but I jenied up with Sheila and we ran the rest of the race together.

Why don't you jeni up to the guy stretching by that tree? He's hot.
by solesista February 05, 2010
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She's so sexy and smart!
The perfect woman with a brain that ticks at 100, a dirty mind and beauty to match!
OMG! That Jeni-Anne... she's so sexy and smart.
by pksa August 03, 2017
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