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1. Porn involving old people or at least one old person.
2. A euphemism for anyone over age 30 getting laid.
3. A way to insult someone by letting them know they're banging a dinosaur.
My roommate spent last night shooting paleoporn until 2 am.

Wow, she's hot. Like Jurassic hot. When did you get into paleoporn?
by Human paraquat June 23, 2018
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