Related:

• Here's one seen above a urinal: look up look up [even higher on the wall] keep looking up [on the ceiling] Quick!
  Look down! You're pissing on your shoes!...
• Yegads!.....DON'T Look up!........
• (written high upon the wall above a urinal) Don't look up here, the joke's in your hand.
• Learn to levitate. While your roommate is looking away, float up out of your seat.
  When s/he turns to look, fall back down and grin....
• Look. Up in the sky. It's a bird...It's a bird!
• Look up BBS in the dictionary and our number will be there.
• When a room shakes, Californians instinctively look up.
• If you don't believe me, look it up.
• Comb your hair...you look dreadful!