verb (used with object), tou·sled, tou·sling.
Examples from the Web for tousle
There are now picture editing apps that can tone you up, slim you down, smooth your skin, and tousle your hair.New App, SkinneePix, Promises to Shave 15 Pounds Off Your Selfies|Charlotte Lytton|April 7, 2014|DAILY BEAST
Recoil in horror as he allows The View ladies to tousle his formidable mane!
Tousle may come as a visitor sometimes; and you may come always, Milly, if you'll be jolly and not tell secrets.
Yet there looked little to pity in this jolly, rocking lad with the tousle of light hair and fresh, rosy countenance.Bob, Son of Battle|Alfred Ollivant
Roy would slap him on the shoulder and tousle his hair, but he would ask Tom's advice—and take it.Tom Slade at Temple Camp|Percy K. Fitzhugh
He's got a mane like yours before it was cut off, Essie—all in a tousle.