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when you have sex with a whale
I was having moby dick untill the whale said "No Way"
by Ymca Mouse Cat Acadamy November 22, 2010

When someone has sexual intercourse with a rather large female or male (or more appropriately a feWHALE or maleWHALE).
To BE moby-dicked would occur when said feWHALE or maleWHALE engages in intercourse with a more slender female or male.
These phrases work best when there is a noticeable discrepancy between the two mammals engaging in intercourse.

The etymology of the word can be traced to Herman Melville's novel "Moby Dick," alternately titled "The Whale." While I don't think "moby-dicking" occurs in the novel, some sick bastards have imagination.
"-How was Vegas brah?
-Man your boii got too drunk and was moby-dicking all night. Sometimes your boii gets desperate, nah mean?"

"-How was Vegas homegurrl
-Met a victim. Got moby-dicked ;)"
by RootbeerMM July 22, 2010
You are performing anal sex on a girl, you pull out, and she farts. It is like a blow hole.
Last night she did the Moby Dick.
by Honey Hole August 25, 2010

An obese or overweight caucasian female.
Man A: Man you where so drunk last night!

Man B: Fosho dude! I woke up with two Moby Dicks this morning.
by Soultaker MK3 September 09, 2010
Your girlfriend is giving you a hummer and you unload so hard that it squirts out her nose.
"It had been so long since his last encounter with a woman, when she put his weiner in her mouth, he ended up performing a Moby Dick."
by Nonscrubber January 17, 2008
The girl that got away.
Alludes to Captain Ahab's elusive whale.
Man, that girl was my Moby Dick.
by Digz January 24, 2005
When a guy goes out into the ocean for a swim, begins to float, and spanks it so he spews while floating in the water.
Hey, Diones is about to spew! There he blows, that Moby Dick son of a bitch!
by Bryan Eaves June 26, 2006