tousle

"All he had to show for four years of attendance at college was a framed piece of paper."

"Ruffle the end of the cuff."

"After playing the children left the room in disorder."

"They played long and hard."

"The teacher spoke roughly to the student who repeatedly interrupted class. "

"Go easy on him: he is but a child."

"Set the tray there."

"The student's action of studying diligently improved her grades. "

"I took a tumble down the stairs and broke my tooth."

"My frustration grew as my teacher kept pointing out my mistakes in front of the class. "

"The playful puppy tousled my daughter's hair while licking her face. "

"He lost his hearing in the explosion."