Entry 2 senses · 2 variants Webster, 1913 Irp /(ẽrp)/ · IPA n. a. 01 n. A fantastic grimace or contortion of the body. 1. A fantastic grimace or contortion of the body.[Obs.] “Smirks and irps and all affected humors.” — B. Jonson. 02 a. Making irps. 1. Making irps.[Obs.]