penguin
Proposed by a contributor, not yet supported by evidence.
Meaning · English
A nun.
Register: slang
Where it’s used:
Used
American English
Examples
Jake (John Belushi): What are we doing here?
Elwood (Dan Aykroyd): You promised you'd visit the penguin the day you got out.
Jake: Yeah. So, I lied to her.
Elwood:You can't lie to a nun. We gotta go in and visit the penguin.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “penguin” mean?
A nun.
Is “penguin” formal or informal?
penguin is generally slang.