Glastic: a glass that is made of plastic, or: a plastic cup that looks like glass.A combination of the words "glass" and "plastic".
"Luckily this cup is glastic because I just dropped it!"
by Pogmotoin February 21, 2009
a thing that isn't glass or plastic... it's GLASTIC
this thing isn't glass or plastic, it must be GLASTIC
by Saporetti February 27, 2015