Fenny 

Short for Fentanyl, an extremely strong opioid similar to heroin but 50x more potent. Extremely addictive and physically dangerous probably the worst drug out there

Smack head 1 'I heard there's some fenny going round right now'
Smack head 2 'man that shit fucks me up'

Fenny by Hard facts101010101 October 3, 2017

Fenny 

An amazing person, a beautiful smile, a wonderful lauph, forgiving and sings like an angel.

She's perfect because she's Fenny

Fenny by SHOCKWAVE2K2 September 18, 2020

fenny 

Beautiful and Graceful, with a nice smile ;)

that gurl is sooo fenny!

fenny by black June 25, 2004

FeNnY 

a cOoL and interesting girl who doesnt eat carrots and has a great sense of humor

fethat girl is such a fenny!

FeNnY by black June 22, 2004

fenny 

Ultimate fangirl/cosplayer who is a Goddess. One of the original founders of CAML (along with Jordi and Sonya). Many aspire to be her, but there is only one.

Also a term for hot and funny cosplayer (female) who fanboys want to know.

Oh shit, that chick is a total fenny!

fenny by Lo-jack City September 6, 2006

Fenny 

Crazy over hyped person. Usually on crack. Can be annoying at times. Likes to wake people up at inappropriate times. Gets off on throwing things at people. Bid nosed. A bit of a fritter. Known also as "the fiddler". Attracts gay men(usually of indian decent,aka Ronnie)

8pm - "You guys got any Goey?" *SNIFF* 7am - "Get up you pussys! Sleeps for the weak". You got fenny'd.

Fenny by sure shot February 1, 2009

Fenny 

An imbred farmer scumbag.
Mostly live on flat land, often have webbed feet and all look very similar.

Dan and daz are a right pair of scumbag fennys!

Fenny by Jiznote August 20, 2013