To fuck something up due to sheer and utter stupidity. To act in a way contrary to what someone with any common sense or reasonable comprehension of societal norms.

1. A German name which is also equivelent to the name Wilson. Also means Will Helmet.
2. A slang term for the Wilhelm Scream

Synonym: A man-boy with a chode-like penis that is in the shape of a ram's horn.

Penis, best used with a mock german accent
{woman walks in all sexy}

Wilhelm is a name for German SS/Army officer during WW2. Famed for their ways of slaughtering Jews during the holocaust. If your name is Wilhelm it is likely it descended from your Nazi forefathers that escaped Germany during 1944-1945.

The Kaiser of Germany during WWI. Your history book spells it as William II. They are wrong. Please inform your class of this stupidity.

Adolf Hitler and Funny Hitler's personal DJ. He was formerly Field Marshall Wilhelm Keitel, but was such a suckass General that Hitler demoted him to DJ. Known for spinning shitty house music DJ Keitel has developed quite a following in the United States, particularly in the Washington, DC and Baltimore areas where he spun at the 2010 Starscape music festival and will spin at the upcoming 2010Summer Massive in Baltimore.