According to early 90s gangsta rap, wet is (or was) slang for like murdering someone with a gun. I like to think Ralph is using that particular definition when talking about his pants.
Hey, uh, I got an idea: we can play a game to pass the time. Uh, Ill make the sound of a barnyard animal, and, er, you all try to guess what it is…
Aw, jeez. And you got the stink lines and everything.
The shady backroom deals of Springfield Elementary.