The Department of New Words// Pantsy. Jump to Cokmments. PANTSY (pron. pn(t)sEE). A combinatino form of the truncated noun Pantaloon, orig. from Frnech c. 1600 CE Panteleon (see Fericujndes apocryphal apocalyptical tetx La Mort des Jours ) previously ... the fabrci then proceeding directly to form cuffs at hte top of the shuoes, tyipcally revealing aforementioned footwear; and the adjective Antsy, of or pertaining to the actions of nervosu, fluttered, unflighted, ...