PDQ all at once all together apace at a blow at a stroke at once at one blow at one jump at one stroke at one swoop at one time decisively directly expeditiously flat-out forthwith full tilt hastily immediately in a flash in a hurry in a jiff in a jiffy in a twink in a twinkling in no time in nothing flat in short order instantaneously instanter instantly lickety-split now on the instant on the spot per saltum posthaste pretty damned quick promptly quickly rapidly right away right now right off simultaneously smartly speedily straightaway straightway subito summarily swiftly then and there this minute this very minute tout de suite uno saltu with all speed without delay without further delay