hold one's end up

hold one's end up

to carry one's share of the burden; to do one's share of the work. You're not holding your end up. We're having to do your share of the work. Get busy. You have to hold up your end.
See also: end, hold, up

hold one's end up

Also, keep one's end up. Do one's share. For example, John always holds his end up, but Jerry is less reliable, or Let's hope she can keep up her end. In these expressions end alludes to one of two sides of something that must be lifted by two persons. [Mid-1900s]
See also: end, hold, up