From the Yiddush.
Used to describe a crass, tall, and maybe smelly man who is kind of rough around the edges. This person is not mean. It can pertain to a tradesman who doesn't clean up after he has worked, and is still full of grease.
That plumber you hired is a real bolagoola. I can't get near him, he is so smelly.
A hardo is a person who tries extremely hard at everything. Most times a hardo will try very hard at things that do not require excessive effort. For example, sports practices, gym class, etc.
Wow did you see Jack at practice today? What a hardo!