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1.
When you are having sex with a girl without protection and you pull out too late and create a long thin piece of cum that resembles a hot glue gun.
I was screwing her so hard i forgot to pull out in time and gave her a hot glue gun.
by Mr.JT July 15, 2012
 
2.
Penis. The word stemmed from "Hot Glue" which was slang for semen. It was a natural progression. Sometimes abbreviated H.G.G.
"And then... I stuck my hot glue gun in there REAL hard!"
by k101 December 20, 2009
 
3.
the penis, especially when ejaculating. release of some hot, sticky, 'mucilage' sometimes resulting in the eventual appearance of an uninvited 'guest'!
can you come over on thursday? (response:) i guess so, i'll just be playing with my hot glue gun!

made a 'mess' with my hot glue gun, and down the road two became three!!
by michael foolsley March 31, 2014