Originating in Leflore County in Eastern Oklahoma. A phrase used to instruct someone that is just standing around watching "you" do work, or describing a useless person who watches while you work clearing knowing they should be helping.
Ty: Don't worry about rolling up these leads hand, just sit down and "get a drink of water".
Hey Ty, you need a help loading that pipe? Nah I got Hogan, just sit down and "get a drink of water"