G pipe
A glass pipe you use to smoke meth. It’s like the meth version of a pizza. People in central Cal have been using the term G pipe for two decades. Head shop workers also use it.
"I got a G pipe. Now I can smoke meth and be happy."
"My G pipe is so big it could hold a whole pizza."
"That G pipe is so old it’s got more wrinkles than my grandma."