No, a party SUB implies it's a party.
The Big Bang Theory Season 9, Episode 21
The coefficient isn't lambda.
It's lambda SUB one.
The Big Bang Theory Season 10, Episode 20
No, at the SUB shop,
we were only making out.
The Big Bang Theory Season 1, Episode 17
It just said "Italian SUB."
The Big Bang Theory Season 9, Episode 21