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A gum that is melted.

Meltedgum, also known as a pixel on Runescape.

Gum that you melted in the microwave.

Put a gumball in the microwave, it explode, gets burnt and melted.

Aka Meltedgum.

by Mysti March 10, 2008
Ejaculating in ones pants. Referring to when you wash your pants and you leave gum in it. When you take it out, it's a slimy mess.
"Dude, I just gave my girlfriend melted gum". "No way, I bet she was pissed when she went to grab her phone out of her pocket"!
by EagerMcBeaver772 October 26, 2011