A rasha is that guy who leans his entire body against the pole in a subway car when it’s crowded to capacity.
A rasha tries to win an argument by being louder than you.
A rasha does not make breaks between paragraphs.
A rasha puts pepper in the salt shaker and then loosens the top.
A rasha takes your armrest during a long flight and then falls asleep on you.
A rasha occupies two parking spots.
A rasha eats all the red jellybeans in the bag.
A rasha takes all the cheese off his pizza.
A rasha has loud cell phone conversations in the bathroom.
A rasha sings a lot of slow tunes when he is chazan for mussaf.
Hope this helps.