Related to methamphetamine, crank, gilly. If you've ever met a hardcoretweaker they'll report seeing monsters and other hallucinations after being up on the drug for days. Some call them the gillymonster.
fuck dude this one time i was up for 5 days straight and the fucking gillymonster was going to fucking get me!
slip of the tongue perhaps,
Those idiots who drive around in a ridiculously raised pick up truck, making a top heavy vehicle even more top heavy and unstable
A:*gah*
B: "Whats the matter"
A: This dam prickup is blinding me.
B: Stupid thing's, as if there lights weren't blinding enough as it is.