(intransitive, transitive) To stimulate the penis or scrotum using the mouth.
(broadly, transitive) To suck in a manner suggestive of fellatio.
(figuratively, transitive) To suck up to, to flatter or be shamefully subservient to.
Pronounced as (IPA)
/fəˈleɪt/
Etymology
Back-formation from fellatio on the basis of -ate (verb-forming suffix), from Latin fellō (“suck”), from Proto-Indo-European *dʰeh₁(y)- (“to suck, to suckle”).