What is Best Friend-in-law?
1.
The odd occurence that when you are going out with someone you inherit their best friend as one of your own good friends. Often occurs more that a girl will become very close to her boyfriends best mate than the other way round.
"You and Johnny are such good friends How do you even know him?"
"Oh Hes Toms best mate so hes my Best friend-in-law"
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1.
After vigorous anal sex, when there is a thin layer of doo-doo butter still present on the penis, the act of sprinkling powdered sugar o..
