penilingus en · NOUN
Etymology
Blend of penis + cunnilingus, by analogy with anilingus.
Meanings
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(rare, uncountable) Fellatio.
It [semen] was best obtained fresh, before exposure, whence the practice of penilingus or penis-sucking.
1978, Benjamin Walker, Encyclopedia of Metaphysical Medicine, Routledge, page 253: