Synonyms For "Chuckling" :

1 syllable:

barf, cast, cat, chow, ditch, eats, grub, honk, pat, puke, purge, retch, sick, spew, spue, toss

2 syllables:

be sick, disgorge, regorge, throw up, upchuck, vomit

3 syllables:

vomit up

4 syllables:

regurgitate