Farts. Penis. Boobs. These words will make any 13-year-old boy (and every immature 30-year-old) start giggling. But when did these words first come into the public lexicon? This infographic shows when people first starting using every dirty word. You’ll be surprised how early “jism” became commonplace.

Here’s a couple more closeup looks at the infographic:

What the heck’s a cock alley and can we start using that phrase again?

(h/t Lapham’s Quarterly)