icky

adjective, ick·i·er, ick·i·est. Informal.

1. repulsive or distasteful.
2. excessively sweet or sentimental.
3. unsophisticated or old-fashioned.
4. sticky; viscid.

adjective ickier or 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.