It isn't premarital sex if you have no intention of getting married.

Framed as a punchline, the line plays on the moral category “premarital sex,” which assumes marriage as an eventual endpoint. By removing any intention to marry, the speaker humorously claims the label no longer applies—exposing how much the term depends on social expectations rather than the act itself. The joke also satirizes rhetorical loopholes people use to evade moral judgment: if the definition hinges on a future event, one can “solve” the problem by denying that future. In that way, it critiques (and exploits) the logic of purity discourse while highlighting the flexibility of language in ethical debates.