A Yoghurt's got culture!
Sometimes I get the punchline :(
Porcupines have pricks on the outside
If you leave yogurt alone for 200 years it'll grow a culture
Because they're made from cultures! Edit: Five BLM members disliked this post.
Yoghurt has a culture.
After 200 years, the Yoghurt develops a culture.
From Jason's Doner Van. (Sorry, I'm guessing this one's only for the Aussies and Brits)