bad·ass 
/ˈbædˌæs/ adjective
always used before a noun /ˈbædˌæs/ adjective chiefly US, informal + sometimes offensive 1 : likely to cause trouble : tough and dangerous
▪ a badass criminal 2 : very skillful or impressive
▪ a badass musician
▪ a badass criminal
▪ a badass musician
— badass noun, plural badass·es
[count] ▪ He acted tough and thought of himself as a badass.
[count] ▪ He acted tough and thought of himself as a badass.
