Mettre les rieurs de son côté = To turn the laugh against a man.
Vous êtes du bon côté = You are on the right side.
Vous êtes du côté du manche = You are on the winning side.
Donner à côté = To miss the mark.
Coton
Depuis sa faillite il file un mauvais coton (fam.) = Since his failure, his health (or, reputation) has entirely broken down.
Coucher
On est plus couché que debout = Life is short compared with eternity.
Je l’ai couché en joue = I aimed at him.
Coucher dans son fourreau = To go to sleep without undressing; To turn in all standing (nav.).