Slang meaning
What does MCM mean?
MCM stands for “man crush Monday.” People post it on Mondays, often as a hashtag, to point at a man they admire, find attractive or want to celebrate.
Updated 6 October 2026
MCM means “man crush Monday”: a weekly post or tag celebrating a man you admire or fancy.
What MCM can mean
1. Man crush Monday
The usual meaning. Someone posts a photo with #MCM on a Monday to show admiration for a man: a partner, a friend, a sportsman, an actor. “Crush” can be romantic, but it is often just “I think he is brilliant.”
2. Mid-century modern
In interiors and furniture, MCM means mid-century modern: the clean-lined design style of roughly the middle of the twentieth century. A caption on a sideboard or lamp is almost certainly about that, not about a person.
3. A luxury brand
MCM is also the name of a luxury fashion and accessories label, so a caption on a backpack or wallet may be a brand tag. Context makes it clear.
How people use it on Instagram and Facebook
Captions and hashtags
The post is a photo of someone, the caption is a line or two of praise, and #MCM sits at the end. It is most visible on Mondays, and the hashtag is part of a pair with its Wednesday sibling, WCW.
Stories
People repost a friend’s or partner’s picture to their Story with “MCM” on it. A tag on a partner is a sweet, low-key compliment that does not need an anniversary.
Comments
Under someone’s post, a comment of “MCM” is shorthand for “he is my man crush Monday,” a light, flirty compliment, even when it is not Monday.
Furniture and home posts
A thrift-store find or a living-room tour captioned “MCM vibes” talks about teak, tapered legs and warm wood, not about romance.
MCM in real conversations
- CaptionMCM goes to my brother for finishing his first half marathon. 🏃 #MCM
- Instagram commentmcm 😍😍thank you, you’re too kind
- Story replymcm: the man who still carries my bags without being asked
- CaptionFound this teak sideboard for £40. Full MCM energy.
How to reply to MCM
Questions people ask
Does it have to be posted on a Monday?
No. It started as a Monday habit, and many people still keep to that, but a comment of “mcm” on any day of the week is understood as a compliment.
Does “crush” always mean romantic?
Not always. The word “crush” can be a sports hero, a role model or a friend. A person tagged in a partner’s MCM is usually fond of them, but it is the poster’s call.
What is the female version?
WCW, “woman crush Wednesday.” It follows the same pattern: a post or tag for a woman the poster admires, traditionally shared on a Wednesday.
Can a brand use MCM?
A business can run a Monday feature on a customer or partner, though calling it “man crush” may feel off for a general audience. “Monday spotlight” is safer and says the same thing.
Related slang
- WCWWCW means “woman crush Wednesday”: a weekly post or hashtag celebrating a woman you admire.
- FBFFBF means Flashback Friday: a caption or hashtag for posting an old photo or memory on a Friday.
- TBTTBT means Throwback Thursday: the habit of posting an old photo or memory on a Thursday, often with #tbt.
- baeBae is an affectionate nickname for a partner, crush or someone you care about a lot.
- thirst trapA thirst trap is a photo or video posted to draw admiring, often flirty, attention.
- OOTDA post showing what someone is wearing today; OOTD is short for “outfit of the day,” and the caption often says where it's from.
More slang meanings
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