Definiciones
1.NounA member of one of several species of small, jumping, mouselike rodents of the subfamily Gerbillinae, native to Africa, India, and Southern Europe.
2.VerbTo rotate inside a monowheel or similar apparatus due to sudden acceleration or braking.
3.VerbTo insert a small animal (typically a gerbil, supposedly) into one's rectum (a sexual practice in urban myth).