A man's gotta eat 

Man's gotta eat is an expression used for when someone is trying to low ball you for an income or that you are working a shitty job for shit pay.

I work in a sewer because a man's gotta eat.

A man's gotta eat by Notmytralma,e May 27, 2018

A man's gotta eat 

An expression offered by a friend when he knows that he has spent the night with a girl of below average looks/intelligence or above average weight.
It is often due to the fact that they are in the middle of a dry spell and merely need something to tide them over until something more appetising comes along.

Chris-"Please tell me you didn't get your nuts in with that fatty from the club last night"
Bowler-"Well, yes I did, I'm going through bit of a dry spell at the moment you see, and after all, A man's gotta eat"

A man's gotta eat by Chris VG July 1, 2007

a mans gotta eat, a ducks gotta die 

what you say when you see a duck, see someone murdering a duck, currently murdering the duck yourself or when you are eating a duck. Only the coolest people know this great saying by the Red Ducks

*sees someone eating a duck"
"a mans gotta eat, a ducks gotta die"
"your quite correct, the duck is dead; I am eating it"

a mans gotta eat, a ducks gotta die by Red Ducks August 24, 2017