1. bang; bam; boom; thud; thump; crash
2. noontime signal gun (carried out early Meiji to Taishō); noon gun; noonday gun
3. last round in a game of 12 rounds
4. precisely; exactly; plumb; totally; very
Suffix
Familiar language
Honorific
5. Mr.; Mrs.; Miss; Ms.; -san
southern Kyushu equiv. of -さん
when read as "どん"