Urban Dictionary: big'n up

1.	big'n up
	To make something sound better than it is. Singlar would be 'big up' your self. like saying "This is going to be the best party ever". You would be big'n up the party. buy big'n up mugs & shirts big up big in up big bigging bigest. by Al001 Mar 26, 2008 add a video

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