n.（美俚）屁股
=keester.
That means get your raggedy keister down here right now. 这意味着猫的气息彻底消除。
Mr. Tedesco: I get his card by five or he's out on his undocumented keister. 弗朗西斯：5点前拿到卡，不然他得退学，因为信息切断了。
Mike: He's one of my best students, I need his keister right where it is. 迈克：他是我最好的学生，我要保留他的信息！
Keister W.Industrial groups as system of contractual governance[J].Oxford Review of Economic Policy,1992(8):24-44. 刘兴强.
Twoweeksago,though,the Bucks brain trust got off its keister and toldguardsMichaelRedd andMaurice Williams to stop shooting so much andstartpounding theballinside. 两周前，雄鹿队开始醒觉，要求他们的后卫里德和莫-威廉姆斯不能过多的投射，同时积极地向内线做球。
