We ourselves laugh at a "haw-haw" intonation in English; why, then, should we forbid Americans to do so?
The vulgar "haw-haw" denotes a correspondingly gross nature.
And haw-haw also tried some other whistling notes, different from the dog-call he had learned of Rick.
For it was Rick's black bird, haw-haw by name, who had been doing the whistling.
Go and get one, one of your haw-haw club dandies; get him to fall in love with you, as they will for a time.
Ruddy did not altogether like haw-haw being so friendly with Rick.
So they struck in towards the haw-haw—the four walking almost abreast.
It was this call that haw-haw had imitated and so often puzzled the dog.
He was quite a young chap this, a conceited puppy, affecting the "haw-haw," which seems to be epidemic in the British Army.
His valet had him upon his feet in a trice; and with a “haw-haw!”