stuff up
/S T AH1 F AH0 P/verb
- 1
To ruin or harm.
โDon't drink tonight, because it'll stuff you up before your business trip.โ
- 2
To make a big mistake.
โWe lost the match because of the goalkeeper stuffing up.โ
- 3
To cause (the nasal passages) to be blocked.
โMy nose is all stuffed up so I'm speaking funny.โ
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