wise·crack 
/ˈwaɪzˌkræk/ noun
plural wise·cracks /ˈwaɪzˌkræk/ noun [count] informal : a funny and smart comment or joke
▪ Someone in the theater was making wisecracks during the entire movie.
▪ Someone in the theater was making wisecracks during the entire movie.
— wisecrack verb, wisecracks; wisecracked; wisecrack·ing [no obj]
▪ She's always wisecracking [=(US) cracking wise] in class. ▪ a wisecracking waitress ▪ Quit your wisecracking.
▪ She's always wisecracking [=(US) cracking wise] in class. ▪ a wisecracking waitress ▪ Quit your wisecracking.
