upupupu 

You know,,

There’s a bomb in my... upupupu

upupupu by Big (snake? SNAAAAAKE!) Boss May 7, 2018

Upupup

To 'big up' someone or something, it's the word UP said three times in quick succession.

To be pronounced in a South Yorkshire accent aka oop oop oop with a soft 'oo' and not like poop

"Big up to ma crew upupup!!"

"Upupup, brapbrap!"

Upupup by Wellnaughty August 12, 2012