What is Drewbie?
1.
a nickname for the name Drew
Drewbie lives down the street
2.
A person who is a Drew Barrymore fan.
Mitch: "Hey Tom have you noticed that Oscar rents all of those Drew Barrymore movies, he must be a Drewbie"
See
3.
Usually describing a kid named Drew, but in actuality, he is to cool to just be called Drew, so friends call them Drewbie.
"Oh man! did you hear that Drewbie's the new DJ?"
"Drewbie, your tight bro."
See