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I’ve seen this phrase being used and it just confuses me. I wanted to see if I
could find an explanation for the phrase.

A direct translation would be something like "Do it for the rest of your
life," but it doesn't really make sense in some contexts. For example, in a
manga, there is a couple out in the open doing the stereotypical "couple"
things. Then a guy walking by will say "一生やってろ！" So I just wanted to know if
there is another way to interpret the phrase.
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2022-08-06T09:32:43.863
95715
2022-08-07T19:13:47.953
2022-08-06T23:11:20.263
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question
meaning phrases
What does 一生やってろ exactly mean?
It's often a verbal irony, in that the speaker means the opposite without
saying it. So the speaker's inner thought could be "I think that's
unproductive/going nowhere, I'd stop it".

Pixiv has this tag:
<https://dic.pixiv.net/a/%E4%B8%80%E7%94%9F%E3%82%84%E3%81%A3%E3%81%A6%E3%82%8D>

In doujin context, it looks like it means something like "[you two are]
hopelessly in love".
CC BY-SA 4.0
2022-08-07T10:00:54.680
95725
2022-08-07T10:06:28.343
2022-08-07T10:06:28.343
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answer
一生やってろ （一生やっていろ）Your translation is correct, but the taste of the phrase
resides in the verb "yaru" (that also means "do sex"), so the phrase is a way
of laughing about married couples ("do sex with that lady for the rest of your
life").  
It is basically a phrase that defines a single guy.
CC BY-SA 4.0
2022-08-07T19:13:47.953
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answer