Skip to main content

Home
Add a Definition
UrbanDictionary.store
Blog
Help

User Settings

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Advertise Report a Bug System Status Privacy Policy Terms of Service DMCA Accessibility Data Request Information Collection Notice reCAPTCHA Privacy reCAPTCHA Terms Do Not Sell My Personal Information © 1999-2026 Urban Dictionary ®

Definitions by missbieber

umbnp

Share definition Flag

ULTRA,MEGA,BEST,NINJA,PAL.

dude did ya hear michael is quite the UMBNP!

umbnp by missbieber April 14, 2010

Get merch