Jizz

This is your brain on boredom.

gaybears

...and this is your brain on tea.

PoliticalHumor

This is your brain on drugs... NSFW

gifs

This is your brain on Dagoth Ur

Morrowind

This Is Your Brain on XChange

XChangePill

This is your brain on welfare.

ImGoingToHellForThis

This is your brain on exercise

anal_gifs, Sirspreciouso

This is your brain on incest porn.

indonesia

This is your brain on jugs [f]

gonewild

This is your brain on porn

GOONED, u_Dazzling_Challenge00

This is your brain on porn... Doesn't look so happy?!

u_Much-Time-7539, GOONED

this is your brain on anti-communism(actually gross don't read)

GenZedong