sack up
v.— «I heard the term “butch up” while watching “Die Hard With a Vengeance” last night.…I have transgressed the term to be more encompassing to be used more like “grow some balls,” “sack up,” “have some integrity” etc.» —“Butch up heard in movie” by Robert Schuh (rschuh@yahoo.com) Usent: misc.fitness.weights May 23, 2000. (source: Double-Tongued Dictionary)
Further reading
What’s it like to hike the Pacific Crest Trail all the way from Mexico to Canada? You’ll end up with sore muscles and blisters, and great stories to tell. Along the way, you’ll also pick up some slang, like NoBo, SoBo, Yo-yo and...
The slang phrase someone ate and left no crumbs means the person did something really well. In a previous call, a listener who works in theater noted the use of ate to mean “did something well,” as in they really ate that haircut! This...