Buck up, meaning toughen up or get it together, has a long history stemming from the days when travelling trunks had buckles on them that needed to be fastened. Over the years, variations like “buckle down” and “buckle” have...
slave n.— «Slave: Bolt or dowel used to temporarily assemble parts, prior to being attached with the correct fastener.» —“Airport Lingo” by Raphael Sheffield Southwest Airlines Blog/Nuts About Southwest Dec. 10...