Tithead Share definition Flag A person who you can always count on to do the most retarded actions imagineable. Can often be confused with a turd furgeson Great job you tithead, you just pee'd out my bedroom window and ripped down my curtain. Tithead by HumBabe March 6, 2005 0 0 Get merch Get the Tithead mug. Buy Now — $32.95 See more merch