#mum

Top Definition
The Mum effect is when you get a girl/guy's mother to have a crush on you before the girl/guy themself.
"Hey dude have you and Mary hit it off yet?"
"Nah mate but the Mum Effect is in full swing"
via giphy
by badgerbumder7 April 10, 2017

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Buy a mum effect mug!
can be found in many polish brothels and all you have to say is suko chodz tu
going off to the local brothel to see piotr's mum
by whatathrill January 19, 2018

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Buy a Piotr's mum mug!