1. stuff up - Noun
2. stuff up - Verb
(slang) To ruin or harm.
Don't drink tonight, because it'll stuff you up before your business trip.
(slang, UK, Australia) To make a big mistake.
We lost the match because of the goalkeeper stuffing up.
To cause (the nasal passages) to be blocked.
My nose is all stuffed up so I'm speaking funny.
stuff-up (plural stuff-ups)
A mistake or fail.
stuff-up
As well as undemanding, I want adaptable food; the kind of food that embodies my dad’s favourite expression – the one we would roll our eyes at, but then stuff up our sleeves – “keep expectations flexible”. Source: Internet
Choice b/w a malign plan, and a stuff up? Source: Internet
“Because of this our free products are available in each campus in a red cabinet in a main public area so that anyone can pick stuff up regardless of their gender or age. Source: Internet
“Burning stuff up, that’s not the way to go. Source: Internet
I cannot make this stuff up. Source: Internet
If you added all this stuff up, and depending on how dramatic the district and infrastructure changes are, this could almost have made up a third expansion! Source: Internet