What is Gerdy?
1.
A mix between "Geeky" and "Nerdy."
It is the ultimate way of saying anything is nerdy/geeky.
Look at that gerdy guy across the street. Look at how he's carrying his trumpet over his shoulder and wearing a bandanna. What kind of mix is that? Band geek and gangsta nerd?
See
2.
A meatball headed character who is rarely seen expressing his own views
Look at that
gerdy he's really being non-commital
See
