(vulgar, slang) Tough, uncompromising and inflexible.

(vulgar, slang) A tough and combative person.

(American football) The situation where the quarterback attempts to draw the defense offside through a deceptive snap count sequence, sometimes accompanied by subtle body movements which simulate the initiation of the play.

(US) An alcoholic beverage formed by fermenting cider (apple juice).

(of a boiled egg) Cooked to a solid consistency. / (of a person, especially a detective) Callous and unsentimental.

simple past tense and past participle of hard-boil

(chemistry) Water with a high concentration of dissolved minerals, especially calcium, making it difficult to lather with soap.

(bodybuilding) A person who has difficulty gaining weight through either diet or exercise.

(slang, dated) Hardship; misfortune.

Bad luck.