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When you chew gum for so long that it becomes of a cum-like texture in your mouth.
You've been chewing that gum for three days in a row.

I know, it's gum cum.
by yuvut September 18, 2007
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2
extremely sticky cum that is abnormally sweet
they had such gum cum
by Faylin.the.gay July 11, 2015
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