
Like the FROG who's put
in a pot of water
The Big Bang Theory Season 7, Episode 16

Silly FROG. So funny.
The Big Bang Theory Season 6, Episode 19

From now on, "FROG" is me, "sandwich"
means you, and "lemon" means rocket.
The Big Bang Theory Season 6, Episode 3

Or you're the FROG who's
been kissed by a princess
The Big Bang Theory Season 7, Episode 16

...this mean little skull,
or Kermit the Frog.
The Big Bang Theory Season 3, Episode 3