Norby's lips can travel long distances at a very high speed. They have been observed moving apace with galloping racehorses, outdistancing sports cars on the highway, and shooting through subway tunnels just behind the train, always in their kissing posture and making horrible damp sucking sounds.

Norby's lips have been spotted as much as 150 kilometers away from their origin, Norby's apartment, where the face from which they spring (Norby's face) resides. When Norby's lips catch up to their object, they suck onto the victim, frenching them voraciously all about the head and shoulders, and even elsewhere. If allowed to go on, the lips will slowly wrap around the victim, tightening their grip until they are able to drag the poor person, their mouth gagged with lip and even their eyeballs soppy with drool, back to Norby's apartment.

Noone has ever been known to escape from Norby's apartment.

Anyone who suspects that Norby's lips are after them is advised to duck inside a door with a firm lock and slam it shut, to bolt the windows and to lay heavy books or concrete blocks over all the drains. Norby's lips are capable of sliding up gutters and in through mouse-holes under the eaves, so anyone who thinks there is even a remote possibility of being pursued by Norby's lips—and Norby's lips are completely indiscriminate and voracious!—is advised to have their dwelling reviewed by experts.

Also, study up on knots. This will be handy in case you find yourself in an emergency situation, such as running down a long narrow road with walls on either side and the lips smacking just behind you. In such a case, try to run quickly around a pole, so the lips get looped up, and then tie them in a knot. It can take the lips several hours, even a day, to escape from a good knot.

Whatever you do, don't chop at the lips. If you cut off any part of Norby's lips, eight more lips will grow in the place of each previous lip, and then you will be completely fucked.