ĭrp or ĭrpe1, n.
n. A fantastic grimace or contortion of the body. [Obs.] “Smirks, and irps, and all affected humors.” B. Jonson.
2 entries under this word
Irp
Irp2, a.
a. Making irps. [Obs.]
Brisk and irp, show the supple motion of your pliant body. B. Jonson.