The fat-sack that is near the whiter fur and hangs low from a cat, it is usually larger the chonkier it is.
Tibbymeow the cat is so beautiful and has the best tibby in all the land - Beavis

Huh huh Huh huh huh Huh, You said tibby - Butthead
by Tibby69420 January 08, 2021
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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
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If you for some reason don’t want to say tiddies you just say tibbies. It’s that simple
1: He has man tibbies
2:eh?
1:*holds breast*
2: you mean tiddies
by Soapy~Senpai January 28, 2020
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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
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referred to as a small car who the owner beleives is a ferrari
"check out my tibby dude!"
by fdklghsbvd February 17, 2010
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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
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