Definitions for "Dead Drift"
Keywords:  mend, drift, fly, drag, pace
A perfect float (the fly is traveling at the same direction and pace as the current.). This is how you want to do it. Drag free is good. It's natural. It fools 'em.
A fly-fishing technique in which the fly (dry or wet) is allowed to drift freely along in the current.
an absolute must for this fly to be effective, so mend, mend, mend that line