sniff up
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
To sniff (something) in; to snort (something); to smell (something).
Register: informal
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).
Common questions
What does “sniff up” mean?
To sniff (something) in; to snort (something); to smell (something).
Is “sniff up” formal or informal?
sniff up is generally informal.