morning bulge; when you wake up and notice that your dick is poking your pants, thus forming a bulge
I don't get embarssed when my mom notices my MB coz its only natural and happens to all teenage boys
by tory borty May 7, 2013
by The_holy_avocado:)) March 6, 2019
by MrStealUrDefinitions;) December 18, 2019
Make-believe.
by bitstripslang October 11, 2019
stands for Major Bitch
by socksandsandals25 May 8, 2016
Mage Bank in RuneScape. People say they're mb pk'ing when they are player killing in the wilderness at the mage bank.
by Gre8est_Sk8r January 7, 2007
Dood, you call that MB up today?
Nah man, she's total jail bait.
Yeah, but you know she gives it up!!
Nah man, she's total jail bait.
Yeah, but you know she gives it up!!
by dood11 November 25, 2007