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1.
A name you'd call your girlfriend, wife, female prostitute lover, or mistress if she accepts it and thinks it's a cute way of showing affection.

Origin:

Replace "teddy" in the word "teddy bear" with "titty"(meaning a woman's breast) and you get "titty bear!"
Ex1. So Titty Bear, shall we make love tonight?

Ex2: Little boys sleep with teddy bears, but big boys sleep with TITTY bears!
by Mark H May 15, 2004
 
2.
Pronounced same as teddy bear.

A toy bear that one fucks instead of masturbating. Often an old toy used as a disguise to hide sex toys.
guy 1: What a fag! still sleeps with a doll!!
guy 2: Its my titty bear, i hide my pocket pussy in it
by PistolMcLaggen June 01, 2010
 
3.
an awesomely amazing friend with insanely large tits making it extremely fun to cuddle with sorta like a teddy bear
breanna is such a tittybear
by that one crazy ginger February 05, 2010
 
4.
When breasts become cuddle toys as a woman sleeps.
Kat can't sleep unless she is holding her tittybears
by MonkeyCult92 September 28, 2012
 
5.
noun: the tittybear occurs in that awkward, yet totally awesome, moment when a short man is submerged into the warmth and splendour of a considerably taller woman's bosom. It is much like a motionless motorboat. It may also be used as euphemism for acts committed by Catholic paedophiles...
also verb: to tittybear
Dude, I totally saw you tittybear Martha yesterday - nice!
by littlemissmo August 15, 2011
 
6.
(n.) a plaything of comfort for an adult or child, usually soft, plush, and attached to a woman.
Example 1:
Sister One: Hey, can you watch Susie tonight?
Sister Two: Sure, what's her bedtime?
Sister One: Doesn't really matter, just make sure you hold her so she has access to your chest. Susie can't sleep without her titty bear.

Example 2:
Jackie: Damn, I miss my girl.
Jazz: What do you miss about her the most?
Jackie: I just to fall asleep with my hand cupped around her right boob. It's been so hard falling asleep without my titty bear.
by thatdarnjasmine February 07, 2011
 
7.
A term describing a female with an abnormal amount of hair on her tits.
Person A: "What'd you think of that girl?"
Person B: "No way man, she was hairy; she probably has titty bears."
by KingOfTheJungle January 03, 2010