We found 3 dictionaries that define the word three-baggers:

General (3 matching dictionaries)

1. three-baggers: Merriam-Webster
2. three-baggers: Wiktionary
3. three-baggers: Dictionary.com

(Note: See three-bagger as well.)

Definitions from Wiktionary (three-bagger) ▸ noun:  (baseball slang) A triple. ▸ Also see three-bagger ▸ Words similar to three-baggers ▸ Usage examples for three-baggers ▸ Idioms related to three-baggers ▸ Wikipedia articles (New!) ▸ Popular adjectives describing three-baggers ▸ Words that often appear near three-baggers ▸ Rhymes of three-baggers ▸ Invented words related to three-baggers