Alternative spelling of blackfly

Alternative form of syrphus

Any member of the genus Hypoderma of large flies, parasitic on cattle and deer.

(idiomatic) to have one's fly (zipper) undone. / (idiomatic) to fly under the radar; to act in a discreet or sneaky fashion

Alternative form of no-fly list

To fish using a fly (fishing lure) as bait.

A hoverfly.

(law, aviation) A confidential list containing the names of people who are not permitted to board an aircraft, prepared by government authorities in various jurisdictions and distributed to commercial airlines.

(idiomatic, chiefly in the negative, chiefly with a conditional) To hurt or damage something even a bit.

To become very angry