play with a full deck Slang To be of sound mind: didn't seem to be playing with a full deck. play with fire To take part in a dangerous or risky undertaking. play with (oneself) Vulgar Slang To masturbate. [Middle English playen, from Old English plegian; see dlegh- in Indo-...
To be of sound mind: didn't seem to be playing with a full deck. play with fire To take part in a dangerous or risky undertaking. play with (oneself) Vulgar Slang To masturbate. [Middle English playen, from Old English plegian; see dlegh- in Indo-European roots.] play′a·bil′...