The boots may be nice, but they're 'worthless' if they don't fit you.
This land is 'worthless' [='useless'] for agriculture.
She's depressed and believes that she's 'worthless'.
(..) One pull-up, Pyle. Come on, pull. You gotta be shitting me, Pyle. Get your ass up there. Do you mean to tell me that you cannot do one single pull-up?. You are a worthless piece of shit, Pyle. Get out of my face. Get up there, Snowball. Get up here, fat-boy. Quickly. Move it up. (..)1987 Full Metal Jacket
(..) the more you will learn. I am hard but I am fair. There is no racial bigotry here. I do not look down on niggers, kikes, wops or greasers. Here, you are all equally worthless. And my orders are to weed out all non-hackers... ...who do not pack the gear to serve in my beloved Corps. (..)1987 Full Metal Jacket