Top Definition
The tallest man on Earth. Person that is always happy, helpfull, and extremly cool.

There is only one real Førby on Earth, and he is studiing at GG.
OMG! Førby just looked at me... I can die happy!
by Marc Dahl September 11, 2007
1.this used is word when you have nothing say or can't think of a word to use.

2. A replacement for a name when you don't want people to find out who your talking about

3. A replacement for any word you don't wanna say
1. A mean girl calls you a naughty naughty word- you call her a FORBY

2. Forby hates me! And I hate Forby too!

3. this is a pile of forby !
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