taping the gerbil
v.
1. To study hard; doing homework.

2. Anal sexual stimulation.
a. Applying a tape casing to an actual gerbil to prevent its dissolution (or unsightly claw/bite marks) in the rectum.
b. Any sort of rectal gratification.
"Damn, Gina, it really seems like Richard Gere was up last night taping the gerbil."