Turlututu, chapeau pointu

(un) chapeau (sha - po) = a hat. Plural: des chapeaux (the 'x' is silent)
Chapeau bas! = hats off! (literally "hat down")
Porter le chapeau = to take the blame (literally "to wear the hat")

E.g.
Ses amis l'ont fait porter le chapeau = His friends made him take all the blame