Lulz is a typographical subversion of the word "lol", meaning to Laugh Out Loud, thus emphasising the humour derived from the subject by way of making the original word sillier.
Citizens of Hiroshima and Nagasaki: "Why Truman? Why the bomb? It killed thousands of innocent women and children"
President Harry Truman: "I did it for the lulz"
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