Top Definition
gch
The act of sending or receiving messages via Google G-Chat.
I can't talk to you right now, I've got to gch my friend from high school.
by C to the Dizzle December 08, 2008
1 more definition
gch
Gas Central Heating
3 bedroom flat with GCH available for rent starting from now.
by kidburla2 August 16, 2008

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