free liver

noun

a person who follows a way of life that freely indulges the appetites, desires, etc.

Origin of free liver

First recorded in 1705–15

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

To a free-liver, as she believes me to be, who has her in his power!
Clarissa, Volume 3 (of 9)
Samuel Richardson
He, already a free-thinker, was now revealed as a free-liver.
Saint's Progress
John Galsworthy
What was Raphael, the free-liver, thinking of when he drew his Madonnas?
The Hearts of Men
H. Fielding
His rich voluptuous strain has more of the poet than the free-liver, and his general tone is curiously modern.
Studies in Medival Life and Literature
Edward Tompkins McLaughlin
Every free-liver would not say this, nor think thus—every argument he uses, condemnatory of his own actions, as some would think.
Clarissa, Volume 3 (of 9)
Samuel Richardson