A phrase to imply that someone is a SERIOUS tool (insult), or that done something really toolish.
Rosie: Wtf? Why the hell did you feel the need to buy the Avenged Sevenfold t-shirt that I was saving up for!? There were loads of different types that you could have gotten!

Emily: To piss you off.

Rosie: Well I guess that makes you a TOOLY MCTOOLIGAN...
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