{{term}}
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Top definition
flat sack
When you go to
have sex
with a guy and
realize
he has
no balls
.
I was 69'ing with
this one
guy
and his flat sack
hit me in the face
.
by
hen-peter
May 29, 2011
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flat sack
neck gaiter and mug.
2
Flat sack
One who has
no balls
, a
neutered
dog. Just
a sack
with no balls.
Hey
wade
you have
no balls
you are a
flat sack
by
Cuevous
April 26, 2016
Get a
Flat sack
mug for your girlfriend Zora.