look up any word, like lemonparty:
 
1.
2 extremely fat people engaging in sexual intercourse. Therefor looking like 2 large whales having sex.
That damn porno had two fat bitches having whale sex, and it made me puke
by apollo9776 August 17, 2006
 
2.
when to big ppl hook up and the man cant find a date for prom and is going to ask her back out so he can a day
My friend dan and megan had whale sex and now dan is going to have to do it all over again so he has a date
by Rob Mattson May 22, 2011