A giloproove is a very contextual word, with no actual definition and is used to describe many people, especially giloprooves. I fucking hate giloprooves. But I do love giloprooves! They're the best.
Person 1: Ralph is such a giloproove!
Person 2: I know right? We should totally kick his ass!
Person 1: Wouldn't that be giloproovist though?
Person 2: ....
Person 1: Ahh, im being a giloproove, let's do it!