Yeah, some of those would be hard to slip into a conversation with your coworkers, say, if you don't happen to work on a ranch.
How about "stemmin the rose" "wrang it out" or "puttin the blocks to"? Those are difficult because they're all about sex, of course, but also because they're so colloquial. Your conversational partner would just go, "Hunh?" -- and s/he wouldn't be imitating Ennis.
"On the QT" would be relatively easy, though.