Per our roommate agreement,
kindly REFRAIN from raucous laughter...
The Big Bang Theory Season 4, Episode 24
and carry me around the
cafeteria, please REFRAIN.
The Big Bang Theory Season 7, Episode 6
Ah, normally
I REFRAIN from alcohol,
The Big Bang Theory Season 7, Episode 20
So please REFRAIN
The Big Bang Theory Season 7, Episode 6