Warning: ) 一笔=一屄 so you know it's coarse language, although commonly used in certain context by some people. The pattern: adjective/adverb + 得 + 一笔 Related expression： 一笔屌造 even much more coarse an adjective. 造 is probally the euphemistic, or less explicit alternative for 操(phucc). （And一笔is likely to be the short for 一笔屌造）. Similar to 一笔, usually used as an adverbial complement and not usually used as attributive. In writing 屌 is often replaced with 鸟.

就是很帅的意思，在年轻人之间比较常用，夸赞的对象最好是你比较熟悉的朋友。 夸赞时最好带上具体的事情，比如说你打游戏帅的一笔。 其实在说的时候，笔会念成一声。 这个词是近几年中国网络说上说的比较多而流行的，平时夸别人的时候最好不要用哦。

帅的一笔 丑的一笔 富的一笔 穷的一笔 ....... 不要在正式场合用

就是很帅很酷的意思，“一笔”不是指一支笔，整体的意思就是很帅很酷。

帅得一笔= extremely handsome 帅= Handsome something 得一笔 means very / extremely ... That’s it.