One's overall level of grumpiness. Grumpitude, also known as the grumpitude factor or grumpitude quotient is a numerical value, rated on a logarithmic scale similar to that of the richter scale for earthquake magnitude. A grumpitude factor of 6 is 10times higher than a grumpitude factor of 5.
A disease where those infected have the constant feeling of creepy-crawlies on their skin and experience very itchy skin. It can be contracted by sitting on infected furniture or spending excessive time with unclean people in unclean places.