Man: I’m bored of these positions, can we try something new?
Woman: How about we gerbil?
Man: What’s that?
Woman: It’s where you insert gerbils into your ass for pleasure.
Man: Let’s do it!!!!
when someone lets a particularly noxious fart, usually in a confined area like the cab of a fire truck, so bad in fact, that it smells as if the gerbils from Richard Gere's ass were performing a trapeze act while suspended from the air conditioning vents.
firefighter 1: dude! you stink!
firefighter 2: oh i know, i'm terrible today!
firefighter 3: JEE-sus! smells like a fuckin gerbil circus in here!
A gerbil pig is what you call that one cute friend that may or may look like a guinea pig. The name originates from a gerbil mixed with a guinea pig. Pronounced with a hard G. (Ger-bul-pig)
Person 1: Wow that guys kinda cute, but he has kinda weird teeth.