Icky

[ik-ee] /ˈɪk i/

adjective, ickier, ickiest. Informal.
1.
repulsive or distasteful.
2.
excessively sweet or sentimental.
3.
unsophisticated or old-fashioned.
4.
sticky; viscid.
/ˈɪkɪ/
adjective ickier, ickiest
1.
sticky
2.
excessively sentimental or emotional
adj.

1935, American English, probably from icky-boo (c.1920) “sickly, nauseated,” probably baby talk elaboration of sick. Originally a swing lover’s term for more sentimental jazz music; in general use from 1938.

adjective

noun

A conventional, tedious person; square: She turned out to be an icky (1935+)

[fr baby talk, ”sticky, nasty”; although perhaps fr Yiddish elken or iklen, ”to nauseate, revolt”]