Definition of "smiley"

Cheerful and happy; smiling.  examples

(slang) Having one's throat slit from side to side.

A simplified representation of a smiling face.  examples

(Internet) A sequence of text characters used to represent a happy mood; especially :) or :-) or other depictions of smiling.  examples

(rare) An improvised street weapon consisting of a length of chain with padlocks and other heavy objects affixed to one end.

(South Africa) A roasted sheep's head.  examples

The type of piercing of the upper frenulum (upper lip).  quotations  examples