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1 definition by
JTJP
1
GSI
acronym
for "
Get Stuck In
" or "Get
Sexual Intercourse
"
Sam
: I'm away to talk to
Amy
James
: GSI dude
by
JTJP
March 16, 2007
Get a
GSI
mug for your mate Manley.
•
© 1999-2021 Urban Dictionary ®
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© 1999-2021 Urban Dictionary ®
•
advertise
•
terms of service
•
privacy
•
dmca
•
bug report
•
help
•
blog
•
data subject request
