The act of preserving the tidiness of one's Facebook profile by deleting 'messy' comments, links and activities from one's wall.
John Doe did a millsy tonight - deleted the link I posted on his wall!
by Unknown123789 November 21, 2010
a big ass motha fucka who lost his virginity at the age of 11. his dick is bigger than a truck.
'Tonight i'm doing a millsy'
by a mad cunt September 14, 2014
gives you a very sore vagina afta a nite full of sex! bushy eyebrows! hyperactive.... loves eminem and sexxxxxxxxxxxxx
very worth while.. you bump into him take him home....(trust!) he he aaahhh!! (you will be saying that all nite and for 3 weeks)
by nathan December 11, 2003
A gay ranga from otford that enjoys penis in the bum.
Corey: hey im better than him
Dreamy: yea he is a millsy and you are sexy!
by albinoduck96 August 16, 2010

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