(idiomatic) So evenly matched that the advantage shifts from one to the other, and the outcome is uncertain.

With the advantage changing hands, or shifting back and forth among the available alternatives.

Minor cosmetic surgery that tightens loose skin.

(chiefly Britain, dated) A hamper of food (such as confectionery) taken to boarding school by students. / (card games) A carton for storing a set of playing cards.

(UK, Australia, New Zealand, South Africa, Canada, India) A shop selling confectionery, especially one in or near a school.

(Australia, slang, derogatory) A cook, especially a second-rate one. / (Australia, slang) A microwave oven. / (Australia, slang) Tomato sauce.

simple past tense and past participle of tucker out

(slang) tired, exhausted, worn out; spent

(astronomy) A spring constellation of the southern sky, said to resemble a toucan. It lies south of the constellations Phoenix and Grus.

(transitive) To pull the blankets or duvet up over (someone in bed); to put (someone) to bed. / (transitive) To push (the fabric at the bottom of a shirt) under the pants.