from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To fasten one's seat belt.
- v. To stop talking or chattering; shut up.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. refuse to talk or stop talking; fall silent
Sorry, no etymologies found.
If someone unbuckles, pull over, safety permitting, and wait patiently until they belt up again.