Mary Jane
Proposed by a contributor, not yet supported by evidence.
Meaning · English
Marijuana.
Register: slang
Where it’s used:
Used
American English
Examples
Rolling up cannabis sativa, hitting the Mary Jane
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 “Mary Jane” mean?
Marijuana.
Is “Mary Jane” formal or informal?
Mary Jane is generally slang.