The little fits of shaking and shuddering males experience after urination. Peezures only occur while standing upright. As the name suggests, depending on a guy’s aim, it can make for messy results.
Someone who, though not religious, sets him/herself up as a moral leader and inspires a fanatical cult of followers to condemn everyone else as evil and subhuman. The prime example is PZ Myers, one of the leaders of atheismplus and a raging sjw.