stick it

Also, stick it or shove it up one's ass . Do whatever you like with it, I don't want it, as in Do that job all over again? Why don't you stick it? , or Tell the chef he can take this fish and shove it up his ass . This vulgar slangy idiom, which uses stick in the sense of “thrust inward or upward,” also functions as a variant of up yours . [Second half of 1800s]

Continue what one is doing, endure something to the end, as in I hate large parties but I promised her I'd stick it to the end . [Early 1900s] Also see stick out , def. 2.