A person/people with no life- they obsessively "follow" one certain band (e.g, My Chemical Romance), spending all their time talking about them to their fellow teenies and emulating the hotness (or "hawtnezz") of the lead singer/ guitarist/other member. However, ask them anoything about the band before the "Revenge" album and they will invariably reply "duhh?". see also fan girl.
Eg.1) - a chatroom-two teenies discuss frontman Gerard Way's Performance at a festival
teenie#1: ZoMg DiD YoU sEe GeE @ DoWnLoAd He iS sOoOoO hAwT gAwD i WoUlD Do HiM AnYdAy!!!!!11111!!!!!
teenie#2: hElLz YeAh GaWd I h8 tHaT lYn-Z ByAtCh GeE ShOlUd bE mInE!!!1111!!!

Eg.2) - a converstaion between a teenie and a "normal" person (eg. an "emo")
teenie: like, is that my chem on your ipod?
normal: ermm.... yeah?
teenie: like, zomg i totally love them!!!! frankie is just the sex, isn't he? i've been with them since, like, the beginning!!!
normal: uh-huh... so do you prefer demolition lovers or vampires will never hurt you? (both songs from the 1st album, "I Brought You My Bullets, You Brought Me Your Love")
teenie: duhh? I'm talking about my chem, not some sad gansta band. who writes songs about bullets?
normal: ...
by Kurarisa-kun April 8, 2008
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Gang members or gangsters who are generally under the age of 10, below the age of criminal responsibility. They're usually used to carry drugs, weapons, or move parcels between older members.
He was a teenie for one of the most dangerous gangs in the state.
by bluecookie12118 July 15, 2020
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Probably one of the hottest girls from canby, oregon. she has huge boobs & a nice ass. she knows how to party & she is soooooo fking sexy. Im sure every guy wants to fk her. those tits are just BIG.
friend: "Damn! you went out with Teenie last night?"
me: "yeah dude she got DOWN"

or

me: "you went to Teenies party last night?"
friend: "yeah it was bomb dude"
by dreamerdk July 13, 2011
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Someone who only likes a band for how good looking there members are. BUT, do not get these people mixed up with real fans who like the music AND maybe thinks the musicians are good looking.
Teenie- like omg Billie-Joe is sooooo HAWT!!! he is fine!! wot's J.O.S and hu is st. jimmy? is he like jesus?

Non Teenie- Greenday effin rock!! they dont care what anyone thinks and there music shows this!! And on top of it all, billie-joe is lookin gud ;) but what really matters is that they ROCK 4 there musical talent!
by whatsername-girl June 2, 2006
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Someone usually below the age of 16 who thinks its cool to announce there in love with the lead singer "usually". They tend to brag they get more attention but bands actually pity them a lot of the time.
OMGOMGOMG BILLY JOE IS SOOOOO HOTTTT!!!! I WANNA MARRY HIM AND HAVE HIS BABYS AND HE IS GONNA DIVORCE ADRIENNE FOR ME BECAUSE IM 12 AND REALLY FIT. OH PLEASE PLEASE PLEASE BILLIE I LOVE YOU!!!XXXXXX

INCORRECT SPELLY OF BILLIE JOE INTENTIONAL
by Danielle Hodges August 3, 2005
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A tennis class consisting of teenagers
Murr: I taught a tennis class full of teenagers. I called it teenis.
by EvanKnish November 25, 2021
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girl/woman- unique sense of humor; beautiful smile; caring; loveable
*she's so nice!

*she's a teeny! that's why.
by marc lekam May 29, 2012
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