1. a variation of hotter than a two-dollar pistol, literally meaning very
hot;
red-
hot. This is an allusion to
cheap nineteenth-century pistols that
got very
hot each
time they were
fired, and sometimes exploded. 2. figuratively, very good, excellent, most effective or productive, etc.; also, highly skillful,
adept or capable. 3. figuratively, highly energized.