pack on
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
To add (fat, muscle, etc.) so as to increase mass or bulk.
Register: informal
Where it’s used:
Used
American English
Examples
Most strength coaches agree that to gain an inch on your arms, you have to pack on at least 10 pounds of body mass.
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 “pack on” mean?
To add (fat, muscle, etc.) so as to increase mass or bulk.
Is “pack on” formal or informal?
pack on is generally informal.