Paint a roommate’s soap with fingernail polish so it won’t lather

ladycreate-a-lot.blogspot.com

Reorder their keyboard for quiet, harmless embarrassment

The crayon windshield extravaganza

helmutsmits.nl* This prank can be dangerous. We don’t recommend actually doing it.

A sarcastic note puts this one over the top

thumbpress.com

Zip tie an aerosol can and throw it like a grenade

Give them the office theme they’ve always wanted

Or the one they never thought was possible

Grow a garden inside a coworker’s keyboard

flickr.com

Replace their office with more energy efficient technology

prank.im

You walked into the wrong neighborhood

prank.im

There’s always the subtle approach

Camouflage yourself as a seat and terrify drive-thru workers

imgur.com

Rats.

lolpranks.com

Air horns.

reddit.com

Everywhere.

imgur.com

Be sure to hide the extra rolls for best possible results

instructables.com

Make them stop the second they pop

reddit.com

For a never-ending soap experience

imgur.com

Replace the frosting on Oreo cookies to your secret recipe

mrsfields.com* The fluoride in toothpaste is toxic, so please use your discretion when using this prank. Consider using mayonnaise as a safe alternative!

Fill their office with colors

reddit.com

or newspapers

sperone.free.fr

or balloons

reddit.com

Mayo filled donuts are the way to anyone’s heart

The solemn turd

Make getting to work even harder

or impossible

flickr.com

Dip cotton balls in water and leave them to freeze overnight

Caramel onions

flickr.com

Keep people constipated for hours

Caution: Wet Floor

Coat their supplies in Jello

flickr.com

flickr.com

Trick them into thinking the worst