muss up

(redirected from mussed up)
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muss up

To cause something to become disheveled or untidy, especially one's hair. A noun or pronoun can be used between "muss" and "up." I just spent an hour getting my hair exactly how I want it, so don't go mussing it up like that! Please don't muss up your hair before you get your pictures taken for school.
See also: up

muss someone or something up

to put someone or something into disarray. Don't muss me up! You mussed up my hair. I'm afraid I mussed myself up a little.
See also: up
References in periodicals archive ?
I can't wait to see this look on the high street, sexy, mussed up tressed and voluptuous volume.
The secret to mussed up hair is a light and layered cut that can be worked into a frenzy with texturiser goodies.
Mussed up hair is easy to achieve and really raunchy.