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Definitions by umb2019
UMB
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Short
form/
text
lingo
for "Ur Mom's Butt"
-"Have you
tried
the
Popeye
's Chicken
Sandwich
? Soooo good"
-"umb soooo good lol"
UMB
by
umb2019
August 22, 2019
Get the
UMB
mug.
