"clubbed" in the verb sense
unite with a common purpose
"The two men clubbed together"
gather and spend time together
"They always club together"
3. club, bludgeon
strike with a club or a bludgeon
gather into a club-like mass
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License