[1] : The Collaborative International Dictionary of English v.0.48

yuck \yuck\, v. i. cf. g. jucken, d. yeuken, joken. see
   itch.
   to itch. prov. eng. --grose.
   1913 webster
see also:
itch 

[2] : The Collaborative International Dictionary of English v.0.48

yuck \yuck\, v. t.
   to scratch. prov. eng. --wright.
   1913 webster

[3] : The Collaborative International Dictionary of English v.0.48

yuck \yuck\, interj.
   an interjection expressing repugnance or distaste.
   pjc

[4] : The Collaborative International Dictionary of English v.0.48

yuck \yuck\ n.
   a laugh; also, a joke or gag; -- usually used in the plural,
   as, the skit got lots of yucks. slang

   syn: laugh; gag; joke
        pjc

[5] : Moby Thesaurus II by Grady Ward, 1.0

37 moby thesaurus words for "yuck":
   belly laugh, boff, boffola, burst of laughter, cachinnation,
   cackle, chortle, chuckle, convulsion, crow, fit of laughter,
   gales of laughter, giggle, guffaw, ha-ha, hearty laugh, hee-haw,
   hee-hee, hilarity, ho-ho, horselaugh, laugh, laughing, laughter,
   outburst of laughter, peal of laughter, risibility,
   roar of laughter, shout, shout of laughter, shriek, snicker,
   snigger, snort, tee-hee, titter, yuk-yuk

Yuck >> Y Words
Yuck, definition of term: Yuck
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