yap
Longman Dictionary of Contemporary English 5++LDOCE 5++yap1 /jæp/ verb (yapped, yapping) [intransitive] 1. HBAif a small dog yaps, it barks (=makes short loud sounds) in an excited way 〔小狗〕狂吠，汪汪乱叫2 TALK TO somebody informal to talk in a noisy and annoying way 哇啦哇啦地说个不停；瞎扯 Some guy was yapping on his cell phone. 有个家伙在哇啦哇啦地打手机。→ See Verb table
Examples from the Corpus
yap• It was one of those little rats on leashes that lead women around Paris, yapping.• They were small and they yapped.• Jennie always had two of the same breed yapping away in her office.• Then up again, yapping excitedly.• Lorton opened the door, and the dachshund rushed in, yapping furiously.• These lackeys of bourgeois criticism can yap in vain.• Some guy was yapping on his cell phone behind us.• Six foot high and floodlit, they winked, mewed and yapped when the door bell was rung.yap2 noun [countable] HBAthe sound a small dog makes when it yaps 〔小狗的〕狂吠声Examples from the Corpus
yap• I just wish Rob would keep his yap shut.From Longman Business DictionaryYAPYAP /jæp/ noun [countable] American English Young Aspiring Professional; another name for YUPPIEOrigin yap1 (1800-1900) From the soundit a yaps, loud dog (=makes small Business short if Corpus barks
yap
yap1 /jæp/ 
verb (past tense and past participle yapped, present participle yapping) [intransitive]
2. informal to talk in a noisy and annoying way:
Some guy was yapping on his cell phone.
yap2 noun [countable]
the sound a small dog makes when it yaps
| I |
verb (past tense and past participle yapped, present participle yapping) [intransitive] Date: 1800-1900
Origin: From the sound
1. if a small dog yaps, it barks (=makes short loud sounds) in an excited wayOrigin: From the sound
2. informal to talk in a noisy and annoying way:
| II |
noun [countable]the sound a small dog makes when it yaps