Is a gerbil marrying a rabbit?

Ep. 12: Ann’s Decision: Gerbil Marrying a Rabbit

Ron Swanson despises salad, and makes a funny quip about it.

Ron Swanson:

“There’s been a mistake. You’ve accidentally given me the food that my food eats.”

Server:

“Salad is traditionally the first course at a wedding.”

Ron Swanson:

“Is a gerbil marrying a rabbit?”