-Putain is the french word that can be used as "Damn it!" or "Fuck!" and anything along those lines.
-You can also say "putain de" then a noun, which is the french equivilent to "fucking ..."
-The origin of the word comes from the french word for "whore" and is still used to say whore.
-Putian! J'ai perdu ma montre!(Damn it! I lost my watch!
-Putain de chien!(Fucking dog!)
-Ta putain de maman m'a suce la bitte hier soir(your whore mom sucked my dick last night)