The definition of an innuendo is a subtle, insulting comment or gesture.(noun)
An example of innuendo is telling people that a public official seems to be giving a lot of construction jobs to a contractor from whom he gets a lot of political contributions.
See innuendo in Webster's New World College Dictionary
Origin: L, by nodding to, abl. of ger. of innuere, to nod to, hint < in-, in + -nuere, to nod < IE base *neu-, to jerk, beckon, nod > Sans návatē, (he) turns, L numen, a nod
See innuendo in American Heritage Dictionary 4
noun pl. in·nu·en·does
Origin: From Latin innuendō, by hinting
Origin: , ablative of innuendum, gerund of innuere, to nod to
Origin: : in-, to, toward; see in-2
Origin: + -nuere, to nod.
Learn more about innuendo