The disease that besetts a poor corporate sap (or sapette) when they are so stressed out that they start laughing at the most inopportune moment possible, and cannot stop. Symptoms include snorting, silent tremors,tearing eyes. People predisposed to this condition often find themselves in very uncomfortable situations or fired. People that suffer from this condition are told not to look at colleauges directly in the eyes while having an acute attack.
Alex had to leave the training session because she had such a bad case of delightus that she was crying.