Irp \Irp\, Irpe \Irpe\, n. [Etymol. uncertain.] A fantastic grimace or contortion of the body. [Obs.]
Smirks and irps and all affected humors. --B. Jonson.
Source: Webster's Revised Unabridged Dictionary (1913)
Irp \Irp\, a. Making irps. [Obs.] --B. Jonson.