| Acronym | Definition |
|---|
| YDB➣Younger Dryas Boundary (hypothesis) |
| YDB➣Yucky Discolored Box Syndrome (Adobe InDesign problem) |
| YDB➣Yokohama Dena Baystars (Japanese baseball team) |
| YDB➣You Deserve Better |
| YDB➣Yeah da Boys |
| YDB➣Youth Design Boston (summer internship and mentoring program; Boston, MA) |
| YDB➣You Dumb Bastard |
| YDB➣Yeast Dextrose Broth (microbiology) |
| YDB➣Yeat da Bun (commonly used in the town of Newburyport, MA) |
| YDB➣Yield Difference Bonding |