to comb the countryside, to travel all round the countryside / to be off one's rocker

(informal) I don't give a damn!

to flutter (to flap its wings while on the ground)

(transitive, figuratively) to wipe the floor with, to beat hollow, to beat to a pulp, to shellac, to drub (to defeat severely, to inflict a heavy defeat upon)

Alternative spelling of battre à plate couture

(transitive with de) (very informal) to not give a damn about

(slang, vulgar) to not give a fuck about (something or someone)

(simile, informal) to fight very violently

Alternative form of battre le fer pendant qu'il est chaud

(figuratively) to strike while the iron is hot, to make hay while the sun shines