pervert 1: i touched this girls tits last night at the party.
pervert2: big shit. i look and feel a prostitutes tits every day.
pervert 1 : fuck you! its my first time .respect that
pervert 2 : fucking loser. i bet you still live iwth your mom too
pervert 1: uhhh..... maybe.....
Basically breasts. Used by most normal people, unless they are trying to be all clean and say boobs. If a girl has a nice pair of them, they will be more successul usually, especially in combination with a big ass.
They surround this page, in the form of the tshirt sites' advertisement. Those girls have WONDERFUL ones.
It can also mean a certain type of bird, however these are mentioned less now because of the above definition.