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1 definition by
the killa
ratbrain
When wearing shorts
you pull
out
one nut
to show a
suprised
victim, thus ratbrain.
"Hey man wanna see a ratbrain?"
"
Huh
,
a what
...oh
ewwww
!!!"
by
the killa
October 26, 2003
Flag
Get the
ratbrain
mug.