1 definition by missbieber

1

ULTRA,MEGA,BEST,NINJA,PAL.

dude did ya hear michael is quite the UMBNP!

by missbieber April 14, 2010

Get the mug

Get a umbnp mug for your girlfriend Yasemin.

• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request

• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request