salement

Etymology
From.

Adverb

 * 1) dirty, dirtily
 * 2)  Intensitive adverb : very, really. (in a bad way) "J'ai été salement amoché par une crise néphrétique" (, Letters) : "I've been really banged-up by renal crisis"
 * 3)  Related to the precedent (antiphrasis) : very, really (in a good way) " Faut acheter des sardines [...] C'est salement bon !" (Louis Pergaud, La Guerre des boutons) : "We got to buy sardines [...] It's really good !"