jack disease
Jack disease is when a 20-something looks like a grumpy old man. They’re usually covered in grease, beer, and bad life choices.
My cousin has jack disease. He looks like he just got out of a dumpster.
That guy at the bar? He’s got jack disease. I swear he’s been dead for 20 years.
My dad says I’ve got early signs of jack disease. I’m not even 21 yet.