Spacetime graph showing a photon's path to a wall and back to its starting position.

Previous guy didn't get the previous description, drew "Um... What?". Maybe draw a frog in a haunted house.

Ghost trying to scare a frog

Cute ghost scaring the shit out of a frog

kawaii ghost scared frog so hard, it shitted itself

Ghost's hobby is to go out at night and haunt frogs at the pond

Computer with AI

This mailbox is fed up with this shit.

a mail box filled with poop is enraged at young hoodlums

two midgets facing an evil letter box.

A valiant knight and his stalwart companion rush bravely into the heat of battle to combat the villainous hordes of the US Postal Service.

Rambo.

A warrior listening to pop music to get pumped for battle.

Chell about to kill the companion cube with a sword for singing lady gaga.

Stuck in a bad romance with the personal companion cube.

An enormous diploma is angry at a balloon-headed man

angry diploma with a keyhole and a person in the background making hand gestures.

A middle finger. With the words "Here's to you! bitch...

A glory hole with a black man's middle finger poking through it!

ew, dicks.

Extremely long lips are walking away

a large pair of pink lips, with black stick figure legs, and there are two )s on the right to show movement

lips with tongue and legs

Faceless Lover