It is a word without any true definition. It can be used in any situation to render another persons argument invalid.
person 1: "...so therefore my point is clearly more logical!"
person 2: "Sexwhale."
person 1: "....ok, you win."

It can also be used as an action, eg: sexwhaling, when you are in the action of disproving someones point through pure non-logic.
by Hitode October 22, 2011
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a sexwhale is when you have sex with a particularly large girl or plus size women
did you see the sexwhale john fucked last night.
by Pirate_Monkey June 7, 2006
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the (misspelled) nickname for a south-african politician whose real name is Mosima Gabriel Sexwale. he got the nickname 'tokyo' because of his childhood love of karate.

there have been many individuals/ groups that have used this moniker including several somewhat popular bands, and even a record label.
Did you hear Mosima Sexwale's speech today? Yeah, I heard Tokyo Sexwhale speak, and I think his message really hits home?

Tokyo Sexwhale really rocked last night!
by dr spaghetti envelope January 5, 2010
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