A term used in a boarding school context (in particular but not limited to), when an individual is not in their own bedroom during certain times but rather disturbing others in their own personal space.
Would you quit Yashing around it's 11 O'Clock!
Will do an assignment last minute and even tho he pulled an unnecessary all nighter which consisted of him vaping and scrolling through insta reels. Claims to have delete social media.
Dan was yashing around last night and bro can’t come to class