since Skippy was a pup

since Skippy was a pup

1. (colloquial) Since a very long time ago.
   • 1994, Walter Dean Myers, The Glory Field, page 227:

     Skeeter inhaled through his nose. "Then I thought I heard something, and—you know how the grass in my backyard is long near the fence?"
     "Should be," Robert Lewis said. "You haven't cut it since Skippy was a pup."