A name for a female who has extremely large breasts, or in some cases can be joked around using a guy as the argument.
Guy1: That group of chicks from IONA are a bunch of big tit bettys (BTB's). I wouldn't mind titty fucking one of them.
Guy2: Yer, no shit.
Guy1: I saw this porn the other night, this chick had massive tits.
Guy2: Yet another big tit betty (BTB) making it big in the porn industry.
Guy1: Huh? Shut up.
Guy1: During PE that guy Crockster took off his shirt and damn, he is one massive BTB.
Guy2: Gross dude.
Guy2: Yer, no shit.
Guy1: I saw this porn the other night, this chick had massive tits.
Guy2: Yet another big tit betty (BTB) making it big in the porn industry.
Guy1: Huh? Shut up.
Guy1: During PE that guy Crockster took off his shirt and damn, he is one massive BTB.
Guy2: Gross dude.
by Mummas September 21, 2005
Get the big tit betty (BTB)mug. by debttothereaper November 28, 2024
Get the BTBSmug. 
How could the warriors lose that’s btbs
by Demetrius Vartonableitis March 24, 2019
Get the BTBSmug. by Person848277272 March 11, 2018
Get the BTBmug. 
Person 1: wow that is a lot of btb
Person 2: what is btb?
Person 1: oh it`s just Big tittie bitches
Person 2: oh yeah that really is some Big tittie bitches
Person 2: what is btb?
Person 1: oh it`s just Big tittie bitches
Person 2: oh yeah that really is some Big tittie bitches
by SubremeNIbba69 September 6, 2018
Get the Btbmug.