The act of reciveving an extream kick to the nuts while you take a massive shit.
Man Adam just gave Terren a Big Brown Boot now the bathroom is covered in shit.
by Zonn August 25, 2009
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Usually used by chavs to describe an action of hype or to tag someone on. Bigging up someone's boots basically means they really want you to get out of your comfort zone and do it.
"oi, c'mon Jordan. Big up your boots and come to the park with the boys"
by Chavvyboyneil_ April 19, 2021
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