What is Mumby?
1.
kid who got a cum slap on the face by another childs pillow.
if i were to jizz on my pillow then slap you in the face with it, mumby.
2.
A really ugly girl with too much self-confidence.
Look at Shareen in that ghetto dress, she's such a
mumby .
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Random Words:
1.
When a guy's butt crack is visible when he bends over. Related to the term plummer's crack. Apparently many plummers butt crac..
