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1. blue whale
A gigantic hit of weed, so big that you can't stop coughing for a really long time, but after that, it's smooth sailing...
dang, Craig, if that hit were an animal, it would be a blue whale.
2. Blue whale
A sex pose in which, you stab your eract penis into your female's nostril, keeping it there untill her face turns blue, then you pull it out and watch the flow of liquid from the nostril, just like a whale.
blue whale :

I 'blue-whaled' your mother last night. and she enjoyed it.
3. Blue Whale
Code name for a Black person in West Virginia. Often used by people that don't want to call people a offending name,
That guy was being such a blue whale!
4. blue whale
When a individual is lying down on their front, and farts, as if it was from a whales blow-hole.

Works the best underwater however, for the full effect.
Gross! That was some blue whale you pulled, I could see the water shooting up!!
5. blue whale
when some asshole goes into the middle of a lake, drops thier swimming suits, lays out dookie
"dude, liam and bridget saw the blue whale that brendan took"
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