My hair's such a mess!
The house is in a mess.
He makes a terrible mess when he's cooking.
Go and clean up that mess in the kitchen.
Now my room is a mess because I have so much stuff. (Preliminary English Test; B1; Spanish)
She said that her life was a mess.
The company's finances are in a mess.
If he hadn't lied, he wouldn't be in this mess now.
How on earth did I get into this mess? (First Certificate in English; B2; Greek)
I was just messing around on the computer.
Stop messing around and do your homework!
To add more, on Thursday there were so [many] children messing around that we couldn't supervise them, as we were only two people. (Certificate in Advanced English; C1; Greek)
Has someone been messing around with the settings on my computer again?
She can't help messing around with your house-keeping and your cooking. (Certificate of Proficiency in English; C2; Greek)
Don't try to cook lunch without me - you'll only mess it up.
I feel I've messed up my chances of getting the job.
I ignored the price and just pa[i]d because I didn't want to mess up the evening. (First Certificate in English; B2; Dutch)