Bip
From Niftytricks
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Bip
“He couldn’t even sit in the car on the ride home because his bip was so bruised.”
A bip is the region on your body between your butt and either of your hips. It is the region you always end up hitting first while attempting some sort of rail and end up hitting again every day after until the end of the season.
It is typically a very painful place to hit but then again any place on your body you keep on racking is going to get painful.