Top definition
When you find out that someone you've been GChatting with is also GChatting with several other people.
Damn girl, you been GCheating on me?

When Tom called me by the wrong name during a GChat session in Civil Procedure, I realized he'd been GCheating the whole time.
by Malcolm Jamal Awesome October 28, 2010
Get the mug
Get a GCheating mug for your brother-in-law Manafort.