16 Pictures Of Animal Genitalia Because Why The Hell Not?

Here's the thing about scientists: they may be brilliant and spend most of their time researching and discovering things, but they can be goofy and hilarious, too.

When you're spending hours putting one drop of liquid on a slide or studying the mating habits of dung beetles, you can get a little stir crazy. And what better way to let off steam than to tweet pictures of animal genitalia?

#JunkOff is taking over the internet with it's often disgusting, outrageous, and completely true pictures of animals and their junk. These photos may be safe for work (or not), but it's definitely not something you want to look at before a meal.

1. Penguins

Instagram/gazbzz

Here's some penguins getting busy.

2. Echidna (AKA Spiny Anteater)

Instagram/kieran_beeee

Everything about the Echidna is unique, especially his four-headed penis.

3. Whale

Instagram/c0lossal_descent

You don't want to mess with this big boy under any circumstances.

4. Horses

Instagram/honeyguideapps

Now you know why they say, "Hung like a horse."

5. Duck

Instagram/theunicornbooty

Yes, that spiral is exactly what you think.

6. Alligator

Instagram/juswes81

Tiny screaming alien or alligator penis — you decide.

7. Lemur

Instagram/jennyhawkins87

Look closely — underneath this wasted lemur is genitalia.

8. Proboscis monkey

Instagram/crocodilerachel1

Just letting it all hang out.

9. Dog

Instagram/ebarrera

Relaxing, doggie style.

10. Frog

Instagram/mostlyharmless2

That frog is packing some heat.

11. Koala

Instagram/kellygriese

So cute ... balls and all.

12. Tortoise

Instagram/crocodilerachel1

"You'd be surprised at what I'm hiding under my shell."

13. Slugs

Instagram/ansonmackay

Slimy! Two slugs making sweet, sweet love.

14. Baby monkey

Instagram/ansonmackay

A tiny monkey with his tiny penis.

15. Lizard

Instagram/mother_of_monsters

His body may blend into the environment, but his penis sticks out like a sore thumb ... or something.

16. Cat

Instagram/rbz_estenzo

Cats are wonderful animals, known for their soft fur, loving nature, and barbed penises.