（要+）动词+就+动词+个+补语
Explanation
该结构表示'如果要做某事，就把它做到极致/彻底'，用于表达决心或强调行动的彻底性。'个'起到强调作用，后面的补语表示程度或结果。
This structure expresses 'if you're going to do something, do it thoroughly/extensively', used to show determination or emphasize the completeness of an action. '个' serves as an intensifier, with the following complement indicating degree or result.
Examples
要玩儿就玩儿个痛快，别总想工作。
If you're going to play, play to your heart's content; don't keep thinking about work.
喝就喝个够，今天不醉不回家。
If you're going to drink, drink your fill; today, we won't go home until we're drunk.
Related Grammar Points
动词（+宾语1）+就+动词（+宾语1 ），别⋯⋯HSK 7七—九127
句子的类型 · 紧缩复句
该结构用于表示对某种行为的让步或接受，后接‘别’引导的劝告或警告，提醒对方不要采取更过激的行动。
This structure expresses acceptance or concession regarding an action, followed by '别' introducing advice or a warning to prevent further escalation.
Examples (2)
走就走，别用这个威胁我！
Go if you want to! Don't use this to threaten me!
说几句就说几句，别太在意。
Say a few words if you must, but don't take it too seriously.