A phrase used in a simile form to help explain the situation and/or the action you must perform.
"You got to get on all four's and bear crawl like a wild-ass indian"
"Buggy's gonna go through 4 hole like a diamond through a goats ass"
"Buggy's gonna pass that safety like 2 ships passing in the night"
"Sometimes when your toatin the mail John you have to find a soft spot to lay down"