— yawper , n.
/yawp, yahp/ , v.i.
1. to utter a loud, harsh cry; to yelp, squawk, or bawl.
2. Slang. to talk noisily and foolishly or complainingly.
n.
3. a harsh cry.
4. Slang.
a. raucous or querulous speech.
b. a noisy, foolish utterance.
Also, yaup .
[ 1300-50; ME yolpen; akin to YELP ]