English

Verb

stuff up ‎(third-person singular simple present stuffs up, present participle stuffing up, simple past and past participle stuffed up)

1. (idiomatic) To ruin

   Don't drink tonight, because it'll stuff you up

2. (Britain, Australia) To make a big mistake

   The reason we lost the match is due to the goalkeeper stuffing up

3. cause to be blocked

   My nose is all stuffed up so I'm speaking funny