- What makes you CHUCKLE, Leonard?
- Um, recently? Not much.
The Big Bang Theory Season 4, Episode 5
It's just one of the things
that makes one of the me's CHUCKLE.
The Big Bang Theory Season 4, Episode 5
There's the friendly
CHUCKLE.
The Big Bang Theory Season 7, Episode 7
[ALL CHUCKLE]
Breaking Bad Season 4, Episode 7
(nervous CHUCKLE)
The Big Bang Theory Season 5, Episode 23