Phoebe talking complete nonsense, exclaiming that Rachel is Ross' lobster and their suppose to grow old together.
nicole: you're my lobster
nicole: you know, off friends?
me: uhh no...
As told my Phoebe Buffay on the TV show, Friends.
ROSS: Wha, OK, now how do you know that?
PHOEBE: Because she's your lobster.
CHANDLER: Oh, she's goin' somewhere.
PHOEBE: C'mon you guys. It's a known fact that lobsters fall in love and mate for life. You know what, you can actually see old lobster couples walkin' around their tank, ya know, holding claws like...