petulanceulancy
noun[L. petulantia.]
Freakish passion; peevishness; pettishness; sauciness. Peevishness is not precisely synonymous with petulance; the former implying more permanence of a sour, fretful temper; the latter more temporary or capricious irritation. That which looked like pride in some, and petulance in others. The pride and petulance of youth.