Gump is a word typically used to describe ppl that are clumsy, geeky, or even stupid. you can use gump in many situations. You can say gump, gumpy, gumper, or you can even tell somebody that they gumped it.
South bay towers are gumpy!
Didn't he gump it when he spilled his drink?
My report card is so gumpy.
That teachers pet is such a gump.