
Per our roommate agreement,
kindly refrain from raucous laughter...
The Big Bang Theory Season 4, Episode 24

When I can work,
I make $43,700 PER year.
Breaking Bad Season 2, Episode 3

Based on the number of chirps
PER minute and the temPERature...
The Big Bang Theory Season 3, Episode 2

Eighteen kilometers PER hour.
Money Heist Season 3, Episode 8

That's 4.9 Penny Blossoms PER hour.
The Big Bang Theory Season 2, Episode 18