Līr'i-pōop, n.
n. [O. Fr. liripipion, liripion, L. Lat. liripipium. Said to be corrupted from Lat. cleri epilappium, i. e., the clergy’s caparison.] [Obs.]
Sense 1. A part of the old clerical dress, in early times a tippet, in later a scarf; worn also by doctors or learned men, and sometimes by commoners.
Sense 2. A degree of knowledge, like that possessed by those entitled to wear the article of dress as a badge; hence, a degree of intelligence or smartness; also, a smart trick or stratagem. Stanhurst.
Sense 3. A silly person or thing;—a term of contempt. “A liripoop, vel lerripoop, a silly, empty creature; an old dotard.” Miles. MS. Devon Gloss.