Placing your face on the left (or right) side of your keyboard and rolling it to the opposite side, then posting your results out of disbelief.
My teammate totally just got owned by a 12 year old so I had to /faceroll.
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug