bollocks

(noun) one of the two male reproductive glands that produce spermatozoa and secrete androgens. Synonyms: testis, testicle, orchis, ball, ballock, bollock, nut, egg. Example: "She kicked him in the balls and got away."

(noun) a pulley-block at the head of a topmast. Synonyms: bollock, bullock block.

(verb) make a mess of, destroy or ruin. Synonyms: botch, bodge, bumble, fumble, botch up, muff, blow, flub, screw up, ball up, spoil, muck up, bungle, fluff, bollix, bollix up, bollocks up, bobble, mishandle, louse up, foul up, mess up, fuck up. Examples: "I botched the dinner and we had to eat out." "The pianist screwed up the difficult passage in the second movement."