Fellatio is defined as oral stimulation of a man's penis.
(noun)When you use your mouth to provide sexual pleasure to a man by sucking his penis, this is an example of fellatio.
See fellatio in Webster's New World College Dictionary
noun
Origin: ModL < L fellatus, pp. of fellare, to suck < IE base *dhē-: see female
See fellatio in American Heritage Dictionary 4
noun
Origin:
Origin: New Latin
Origin: , from Latin fellātus
Origin: , past participle of fellāre, to suck; see dhē(i)- in Indo-European roots
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