Gen Alpha slang · Abbreviation
hmu
Meaning
Hmu is Gen Alpha slang for "hit me up" — contact me, or let's make plans.
Where it came from
Dictionary.com says "hit me up" became hmu in the early 2000s; the earliest example it cites is a 2009 Urban Dictionary entry. A 2011 prom-invitation sign brought it news coverage.
Tone check
Friendly. It can be flirtatious, so from a stranger to a child it is worth noticing.
Checked against: Dictionary.com, HMU.
Added to this dictionary 2 November 2026
Used in a sentence
"hmu when you're free"
Peak: 2009–2026
Safe for adults to use