be as thick as thieves



be as thick as thieves

  (old-fashioned)
if two people are thick as thieves, they are close friends I'm sure she tells Ruth what's going on - they're as thick as thieves, those two.
See also: thick, thief

Common Names:

NameGenderPronouncedUsage
Jordan['dʒɔ:dn]
ZÉNaÏDeze-na-EEDFrench
Lyon['laiən]
SelbySEL-beeEnglish (Rare)
Almira (1)awl-MIR-əLiterature
Arturoahr-TOO-roItalian, Spanish