Doozie is used informally to describe really big, bad, or difficult things that are exceptional compared to others of the same kind. It’s very often used to describe big storms or hard tests.

Next week’s episode looks like a doozie. I’m here to see the grandparents try to buy off Anny. 😳😬😣 #90DayFiance

— JULIA 🔆💙 (@JuliaLee34) January 20, 2020

Whew class was a doozie, i almost didn’t make it but by the grace of God pic.twitter.com/QKwCcRbCIA

— 👑Don.JulioJr.🎱 (@TattedLikAmigos) January 17, 2020

Well, if the first Monday of the year is any indication of what's in store for me, 2020 is gonna be a doozie! So far it's got me like… pic.twitter.com/Nn39VYVzEy

— Chaos Monkey (@grap3_ap3) January 6, 2020

Did you mean doobie?