Well, I'm sorry
I'm not a FROG.
The Big Bang Theory Season 12, Episode 17
...the one where the FROG has its tongue
stuck to the underside of an airplane.
The Big Bang Theory Season 6, Episode 19
...this mean little skull,
or Kermit the Frog.
The Big Bang Theory Season 3, Episode 3
Or you're the FROG who's
been kissed by a princess
The Big Bang Theory Season 7, Episode 16
From now on, "FROG" is me, "sandwich"
means you, and "lemon" means rocket.
The Big Bang Theory Season 6, Episode 3