If someone is gloating, they are showing pleasure at their own success or at other people's failure in an arrogant and unpleasant way.
relish, triumph, glory, crow
gloat over 欣喜若狂
①He had never been a malicious man, certainly not one to gloat over the tragedies of others.
②This is nothing to gloat about.
③She gloated over her son’s achievements.
[scode type="green"]scrub up
①to dress yourself up.
②to wash your hands and arms before doing a medical operation
①I'm gonna go scrub up; I'll meet you in stall three.
②Come on, scrub it up, Loops.
麦片哥 快点 擦厕所去。----《生活大爆炸》
“scrub”本身的意思“擦洗；进行手臂消毒”（to wash your hands and arms before doing a medical operation）这个词组本身的意思是“擦洗干净”，在上面的电影截图里用了它的引申义---“打扮”。