Not profound at all.

Hypothetical-Roommate: You'll have to forgive me. I only have about three-quarters of my brain working.

Drek: It's probably all that mucus filling up your sinus cavities.

Hypothetical-Roommate: Probably. I feel like crap.

Drek: You know... if you say "mucus" backwards, it's "sucum."

Hypothetical-Roommate: That's true.

Drek: I don't know why I even noticed that.

Hypothetical-Roommate: Well, it does make sense.

Drek: How does that make sense?

Hypothetical-Roommate: Because that's what you do with mucus. You suck it in.

Drek: I reckon I have to give you that one.