Top Definition
A person that is not capable of multitasking. i.e. men in general
Diana: Tomtom, why are you not answering me? I am talking to you!
Tomtom: humm. errr. hummm. gimme a sec. (after 5 seconds). sorry, I was replying a MSN chat. You know. I can't handle talk and type same time.
Diana: Tomtom Monothread! Monothreeeaad.
by tomtomt2 September 12, 2010

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