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3.
a rash or burn as a result of wearing a g-string.
I've been wearing this same thong all week long and now i have a freakin g-sting!!
by kat-o March 20, 2008
 
1.
When your G-String chafe up your arse so much that you get a stinging sensation because of it.
L: How're you today
M: Great, but I ain't half got G-Sting
by Momo May 21, 2006
 
2.
Verb., to pull the string of a thong back and snap it against the hole.
I really want to G Sting that girl and make her scream.
by Ken Han February 20, 2009