We found 2 dictionaries that define the word rubster:

General (1 matching dictionary)

1. rubster: Wiktionary

Slang (1 matching dictionary)

2. rubster: Urban Dictionary

Definitions from Wiktionary (rubster) ▸ noun:  (obsolete) Synonym of tribade ▸ Words similar to rubster ▸ Usage examples for rubster ▸ Idioms related to rubster ▸ Wikipedia articles (New!) ▸ Popular adjectives describing rubster ▸ Words that often appear near rubster ▸ Rhymes of rubster ▸ Invented words related to rubster