Verb
neck down (third-person singular simple present necks down, present participle necking down, simple past and past participle necked down)
(firearms, transitive) To alter (a cartridge) by forcing it into a smaller calibre and size.
We Latin women are liberated from the neck up, not the neck down. Cristina Saralegui
If we should have to fight, we should be prepared to so so from the neck up instead of from the neck down. Jimmy Doolittle
I will tell you that when I was heavy, people would say to me - and it was such a backhanded compliment - they would say, 'You've got such a beautiful face,' in the way of, like, 'Oh, isn't it a shame that from the neck down you're questionable.' Kate Winslet
I learned mime back when I was in college, at Ball State University, Indiana. That woke up my body from the neck down and made me realize that acting and communication - portraying a story, event, or emotion - is a full-body experience. Doug Jones