The G.A.S stands for "Green Apple Splatters" Classical G.A.S is much like normal "Green Apple Splatters" only it is experienced whilest listening to classical music.
Man, I had the worst case of G.A.S last night so I put on my beethoven CD to make it a classical G.A.S session
by GobbleDock September 27, 2010
1 more definition
An instrumental song written and recorded by Mason Williams in 1968.
It is still one of the most popular instrumental songs ever recorded
by Bradley Olson November 02, 2004