verb (used with object), fel·lat·ed, fel·lat·ing.

to perform fellatio on.

verb (used without object), fel·lat·ed, fel·lat·ing.

to engage in fellatio.

Origin of fellate

First recorded in 1965–70; by back formation from fellatio
Related formsfel·la·tor, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for fellated



(tr) to perform fellatio on (a person)

Word Origin for fellate

C20: back formation from fellatio
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for fellated



1968, verbal derivative of fellatio. Related: Fellated; fellating.

Online Etymology Dictionary, © 2010 Douglas Harper