Related:

• Hey Ivan, check your six.
  -- Sidewinder missile jacket patch, showing a Sidewinder driving up the tail of a Russian Su-27...
• Your cancelled check is your receipt.
• Check for *.bat's in your c:\belfry\ !
• Please check your firearm at the door.
• The right selection: Check your erection.
• Your reality check just bounced.
• So nip up to the loft and check out your old singles to see if there are any that were played a lot on the radio, but you never got around to buying.
• I went to the doctor for a check-up. It was ok, he was there.
• Your parity check is overdrawn and you're out of cache.