sperm competition reaction Mug
n. A theory that explains why the presence of a second male in a sexual scenario with a woman increases rather than decreases the arousal of a heterosexual male. The presence of a second male causes the first male's testes to increase sperm and testosterone production. This evolutionary reaction occurs so that if they both engage in intercourse with her, his increased erection size and sperm count will boost his chances of inseminating her over his reproductive competition. Although the reaction is most powerful in person when a second male's pheromones are present, just seeing another male's erect phallus through any type of media will trigger the reaction. When the other male ejaculates, the first male's reaction surges, giving him an overwhelming urge to also ejaculate even if his penis is nowhere near a vagina or other orifice.
The Urban Dictionary Mug
Customer Reviews
unlike most mug customization, you can say whatever the fuck you want. Bravo!
i liked that the mug had my name on it and a funny definition, i will definitely buy some for my friends(with their names of course).
I bought it as sort of a gag gift for my son and his new girlfriend and they loved it
I haven't even bought it, it smells nice
nice quality, vivid image
What's funny is the saying that everyone searched for is the one that popped up on the cup. So all the weird gross sayings that people are commenting on are completely out of context to everyone seeing their comment.
I would buy a morbillion of these mugs.
Coffee is good with a banana (minus the Shimflins!)
It was a good gift
AMAZING MUG. Love a good tutti cup in the morning
Great product The mug is of very good quality. Highly recommended!
Guys do i buy a sex mug?
its beautiful. I use this mug every morbing to watch my favorite movie morbius!
EVERY mug I have ordered online through Urban Dictionary has exceeded my expectations! Each (5) is of a very high quality: Clear/Clean printing (ink, color, sharpness, clarity), and Outstanding craftsmanship ("feels" good to hold, and you can tell it "ain't made cheap"). Your company should be proud, indeed.
love it
one tha best mugs i have
My balls are so wet now that I have bought this item. The nut in my butt is boiling
I've had this mug for over a year now and every single day it watches while I shower. It makes me safe sometimes protects me from the voices. Other times I'm lying on the couch watching judge Judy and eating my hot pickles and the mug becomes angry I feel it approaching me with menacing aura. Next thing I know I'm pooing out pieces of ceramic. Overall, its a great mug but only if you can afford multiple colonoscopy's and extremely invasive anal procedures a year. If you have the money for that THIS IS THE MUG FOR YOU.
This mug has given me a new meaning to wake up everyday. I absolutely adore it and I don’t think my life would be the same if this mug did not exist. A gift from God, truly.
What a sexy ass mug ヾ(*’Ｏ’*)/