An older family member from whom one has inherited a large breast size. Usually a grandmother or great-aunt.
"Wow...look at that photo of Grandmom. She was an absolute buxom betty. Guess that's where I got my big boobs from."

boobs tits buxom buxom beauty
by Bluegutsoup April 8, 2010
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Buttclown that jumps on the hype machine of winning teams (See The Jerm)
Look at that Bandwagon Betty sporting the Spurs gear.
by Fromley April 18, 2006
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Did you see Jane wearing the belt under boobie? Although she's a heavy betty, she shouldn't be wearing that.
by Dainty Deborah January 3, 2008
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used to describe a promiscuous girl who likes to have sex in the back of a car. This is a rather old expression
two girls are jealous of a popular girl so they start a rumor that shes a "backseat betty".
by synthetik_smurf August 15, 2005
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A game usually played by fathers in Ohio. The game is played after you put your baby to sleep, then you drink until drunk. After you're all set-up, you play the game. The objective is to bounce an empty beer bottle off your babies head until you catch it. You win once you catch it 3 times in a row.
"Damn, the wife is with her friends and I'm bored as donkey dicks... I got it! I'm going to play 'Bouncy Betty'!"
by IG: @floppy.joshy September 6, 2018
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Vietnamese-American newsanchor and philanthropist. She started her career in the Dallas area and now works for CNN. Officially the hottest newswoman evar

EVAR
man, did you see betty this morning? she was smokin hot
by Jeff M July 7, 2005
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The hottest nude model of the of "black and white" photographic era. Also, her trademark hair style in jet black. Betty was (is) among the most beautiful and wonderfully sexual women in the world. She is the inspiration for the term betty, which means a sexually desireable, and hot young woman, or prospective lay.
You take the one in the polka dot blouse, I'll take Betty Page.
by Jim Inman August 25, 2006
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