1. To ruin or undermine
2. Something so horrible, it can only be compared to 9/11
1. "MOM! You 9/11ed my sandwich!"
2. "Bongo keeps on pissing on the kids. He's totally the 9/11 of party clowns."
3. "I was having a great day, until Brandon started 9/11ing it."
9👍 3👎