chummy

Adjective chummy has 2 senses

• chummy(s = adj.all) matey, pally, palsy-walsy - (used colloquially) having the relationship of friends or pals;
Derived forms noun chum₁, noun chumminess₁

• chummy(s = adj.all) buddy-buddy, thick - (used informally) associated on close terms; "a close friend"; "the bartender was chummy with the regular customers"; "the two were thick as thieves for months"
Derived forms noun chum₁, noun chumminess₁