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7.
referred to as a small car who the owner beleives is a ferrari
"check out my tibby dude!"
by fdklghsbvd February 17, 2010
 
1.
1) A cock that is wide as a beer can regardless of length; beer can thick dick.

2) Abbreviation for the unit of measurement, 1 Thibaudeau (approx. width and weight of a beer can).
Girl 1: I heard that guy has a thick-ass Tyson Brat...

Girl 2: I was with him last night... he has a tibby!!! :D
by Weowa September 08, 2010
 
2.
Short for Hyundai Tiburon GT
That tibby is the best looking car in the world!
by ITSME September 26, 2004
 
3.
stands for "Trendy Indian Bitch."
An Indian girl who is very trendy and very snobby.
Damn, Priti wears Prada to bed and make up to the gym; she's gone super tibby.
by A tibby March 10, 2005
 
4.
tibb•y (tib′i), n., pl. tibb•ies
A short form for Terabyte - a scale to measure digital data capacities.
A Terabyte equals 1024 Gigabyte or 10^12 bytes (a trillion bytes).
The term tibby is fancy slang to express the unit symbol, TB.
Josh: I just bought a 2 tibby drive from Best Buy!!! Store more pr0n!
(...)
Josh: Andy? You hear me? Hey! 2 tibbies!

(Andy is busy skimming his 12 tibby NAS full of porn and other torrented "linux iso"s - for the next 234 years. In HD. Power of tibbies!)
by Glassed Silver February 07, 2012
 
5.
Affectionate nickname for second Roman Emperor after Augustus, Emperor Tiberius Caesar Augustus.

Did you finish reading those chapters on Tibby, yet?

Tibby reminds me a bit of Professor Snape.
by Skayda December 23, 2006
 
6.
when a woman has back fat, large enough to resemble a pair of tits created by the strap of a bra.
I was in accounting class yesterday, and couldn't stop staring at my teacher's tibbies.
by sexyaudit69 March 30, 2011