When an individual believes their knowledge of "heady" subjects is unsurpassed, but in reality they are just putting up a front. Usually become very defensive when called out, and generally lose ensuing argument, though they usually don't realize it. Not a term of endearment.
The tool with all the hemp is trying to come off as a drug guru, but they are really uber heady spaghetti.
by CannabisChris August 9, 2009
When you slap some freshly cooked pasta on your weiner and then your girlfriend gives you head. (No waifu body pillows)
by The Spaghetti Headster April 16, 2020