
Just smile and LAUGH.
The Big Bang Theory Season 5, Episode 4

Don't make me LAUGH.
The Big Bang Theory Season 10, Episode 12

(LAUGH ING)
The Big Bang Theory Season 1, Episode 14

I say we wait until he looks at us,
then LAUGH like:
The Big Bang Theory Season 1, Episode 13

How exactly would that LAUGH go?
The Big Bang Theory Season 1, Episode 13