Top Definition
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!"
#humncum #hummingcum #hum and cum #humandcum #hummncumm
by Verbal Kent The sentinel December 06, 2011
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