Pull a U-ie American Australia slang
To make a turn that allows you to go back in the direction that you have come.
Oh, I've seen my parents flashing across in the opposite lane. Let's pull a U-tie.
I'm pulling a U-ie because I've remembered a shortcut to that place.
As soon as I knew there had been a traffic jam ahead, I pulled a U-ie and took a different road.
The verb "pull" must be conjugated according to its tense.
 
The origin of this slang is not clear.
 
Act with more effort or enthusiasm
This is the last round. Come on! Give it some welly!