Top Definition
To wear no underclothes.
James: oh gosh jack, look at that chick, she doesn't have any underpants!! I can even see her pussy under her skirt!!!

Jack: yeah, she's Cyrusing.
by freakishlyyours February 05, 2010
To take a picture or make a video (of you or someone else) licking a random object in an extremely sexual manner in the style of Miley Cyrus.
Guy 1: Why are you licking that lamp?
Guy 2: I'm cyrusing.
Guy 1: I guess you really love lamp.
by Fractal-Pterodactyl October 08, 2013
To obsession over something to the limit where it's very creepy.
And then the singer was cyrusing over her over rated eos.
by ceippo March 13, 2015
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