noun, feminine/ˈostja/plural: hostias
communion wafer, host; punch, slap; the shit (the best of its kind)
“Near-synonyms: golpe, trastazo, bofetada, piña, leche, nata”
Synonyms: la leche, polla
Early borrowing from Ecclesiastical Latin hostia (“host, consecrated bread ← victim, sacrifice”). Compare Italian ostia, French ostie.