1) Bare the head, old style 2) Doff a cap 3) Doff a derby 4) Doff headgear 5) Doff poetically 6) Doff the derby 7) Knock off a bowler 8) Lose the derby 9) Relieve of a chapeau 10) Remove a bowler 11) Remove a fedora 12) Remove the head cover 13) Snowball fight act 14) Take away a beret 15) Take off the topper 1) Doff 
• (v. t. & i.) To take off the hat of; to remove one`s hat, especially as a mark of respect.