Definition of "dirt"

Perhaps inevitably, as the manipulation of the stars' public images became ever more rigorous, so too did the efforts of gossip columnists such as Louella Parsons and Hedda Hopper to uncover dirt and scandal.

2011, David Puttnam, Movies and Money, Vintage

honours […] thrown away upon dirt and infamy

1810, W. Melmoth, transl., Letters of Pliny

I'm one of Charlie's Angels too, but I'm the one with the dirty face.

1983, Pat Phoenix, Love, curiosity, freckles, and doubt‎, page 158

a dirty-faced redhead poked a soiled kerchief beneath my nose, and charmlessly wheedled, "Spare coppers, mister, Spare coppers!" This runny-nosed waif, a "knacker" in the Dublin vernacular, was of the traveling breed who had of late given up their painted wagons for the grimy ghettos of the city. The child -God Bless the Mark- had freckles that splotched her face as though God had applied them too hurriedly with a blunt brush.

2005, Kevin O'Hara, Last of the Donkey Pilgrims: A Man's Journey Through Ireland‎, page 244

Whatever you love about your freckles, they make you unique and beautiful. Don't always feel that you need to clean that dirt off your face with that foundation powder or contour layers. You're naturally beautiful as you are!

2016, Lindsay Bowman, To The Girls With Dirt On Their Faces‎