a term of endearment used to describe a loved one who is acting less than normal.
friends who like to act goofy around me are described by me as silly heads.
by BNM June 10, 2006
2 more definitions
An idiot, stupid person, someone who screws up a lot
"Can you believe she couldn't even do that right? It was so easy, what a sillyhead"
by ihaterice August 07, 2015
We wrote "SHITHEAD" on the door, then rubbed part of the word out. It ended up looking like "SILLYHEAD".
by Dan Teh Man July 01, 2004