a gellan is an act of pure, unfettered sexual harrasment
"dude, i totally gellan'd that chick"

"if there's grass on the pitch, let's play ball"
by blacksheep101 August 13, 2008
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sticky body fluids that are excreted during foreplay
Girl 1: I was twerkin with john and then all of a sudden we had some sticky gum coming from our privates

Girl 2: oh you were gellan, both got stuck together with your gellan gum
by jag_miami March 11, 2014
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