Tsukishima's always had an attitude, that had doubled when he befriended you, who knew someone could be so great at gossiping, he'd always heard girls are great at insults and gossip, but you were more than he bargained for, you and him grew close quick, you'd befriended Yamaguchi as well, which was nice for Tsukishima, although he'd never admit it, nor would he admit his massive crush on you, Tsukishima always had a habit of picking up someone's little quirks or sayings when he liked them enough, so today when Yamaguchi perfected his serve, low and behold

"ate that" Tsukishima says completely deadpan as usual

"ate? ATE? Tsukishima who the hell taught you that?" Sugawara said with a shocked grin as everyone else paused and Tsukishima shrugged attempting to play it off

"I think the 'who' that taught him is lingering around the gym so we can walk home with her" Yamaguchi snickered, knowing damn well Tsukishima picked it up from you