mush it up
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
To kiss; to make out.
Register: dated, slang
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
Used other than figuratively or idiomatically: see mush, it, up.
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “mush it up” mean?
To kiss; to make out.
Is “mush it up” formal or informal?
mush it up is generally dated, slang.