“Let’s do it”, is super vague and may have negative connotations. Therefore, “let’s do it up” is used as a phrase to prelude to a situation that will only result in a positive uplifting outcome.
Can’t wait to go clubbing tonight. Let’s do it up boys!
Big game today but let’s not let the pressure get to us. Let’s do it up!
A greeting used amongst people in urban setting. It can be used in several ways. It can express freindship,anger or a question. Used extensively in the upper east of the midwest; mainly Detroit.