smackdown

noun

1. (informal)A physical or emotional confrontation; a battle, a fight; also, a bitter rivalry.

   “Considering these numbers, which positively put the smackdown on GM's much celebrated fuel-cell concept vehicle, the Hy-Wire (built on the Autonomy chassis), Shimizu was understandably crestfallen when, at this year's Detroit auto show, he received but two orders for the KAZ.”

   “"I'm not looking for any more sisterly smackdowns." She sat up and rubbed her arms where Paige and Juliana had been holding her.”

   “Even screamed and launched himself at Doug, tackling him backward and slamming him into the ground. Megan shouted out as Finn and Sean raced toward the smackdown. By the time they got there, Evan had already slammed his fist into Doug's face multiple times.”

   “Monica had been challenged and, so far, hadn't exactly delivered the smackdown everybody—Claire included—had expected. Kind of weird, really. Unless Claire really struck some nerve besides the ones running through Monica's knuckles.”

   “"Well, I didn't get your messages," Mina said, embarrassed to admit her parents put the smackdown on all of her electronic communication because of that C on her Lit essay.”

2. (informal)A significant or humiliating setback or defeat; a beating, a thrashing.