Top definition
To have "sex" on roblox. Includes humping (dry or not dry), "OD"ing, etc. Usually refers to some queer 10 year old that wants a girlfriend on roblox
Adam: Yo, what's that kid doing?
Joe: He's having rosex...
Adam: What the hell, ew, it's an ODer!
by PlagueCini April 04, 2017
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2
He's not gay, he's rosex.
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