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The act of humming during the execution of oral sex to intensify the recipient's climax.
"Tonya gave me a hummincum before work today, and damn near made me late getting in here!"

"I can't hear you...I gave Stephanie a hummincum last night, and when she came, she boxed my ears with her thighs!"
by Verbal Kent The sentinel December 06, 2011
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Jul 27 Word of the Day
the whale tail is the shape formed when a g-string rides up high over a womans trousers
oh my god look at that butt, her whale tail is showing so high!
by garv November 10, 2003
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