![Ooh. Well, l haven't had any training,
per se.
Ooh. Well, l haven't had any training,
per se.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Ooh. Well, l haven't had any training,
PER se.
Breaking Bad Season 4, Episode 9
![](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
"Koo" from Koothrappali
and "PER" from CooPER.
The Big Bang Theory Season 9, Episode 12
![- -equals mass times
9.8 meters per second per second.
- -equals mass times
9.8 meters per second per second.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
- -equals mass times
9.8 meters PER second PER second.
The Big Bang Theory Season 3, Episode 10
![You and I split
$2,000 per ounce.
You and I split
$2,000 per ounce.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
You and I split
$2,000 PER ounce.
Breaking Bad Season 2, Episode 5
![Per our roommate agreement,
kindly refrain from raucous laughter...
Per our roommate agreement,
kindly refrain from raucous laughter...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Per our roommate agreement,
kindly refrain from raucous laughter...
The Big Bang Theory Season 4, Episode 24