What was the doctor's diagnosis on a dinosaur with a low sex drive? Teraerectile dysfunction.
Teraerectile Dysfunction
Explanation
Explain Bear
Listen up, buttercup. This joke is all about wordplay, get it? It combines "pterodactyl," which is a type of dinosaur, with "erectile dysfunction," which is when a dude's thingy doesn't work right. It's funny because it's unexpected and kinda naughty. You probably don't know what that is but your day will come.