What is Twobble?
1.
A stupid and incompetent person.  Used when one wants to call someone a 
"You thick twobble."
"What a stoopid fucking twobble."
"This school is full of twobbles."
What is Twobble?
A stupid and incompetent person.  Used when one wants to call someone a 
"You thick twobble."
"What a stoopid fucking twobble."
"This school is full of twobbles."