flagging

1. (countable, uncountable)A pavement or sidewalk of flagstones; flagstones, collectively.

   flagstones collectively

2. (countable, uncountable)The process by which something flags or tires.

3. (countable, uncountable)The skewing or bending of the upper part of a television picture due to imperfect synchronization of the video signal.

4. (countable, uncountable)Use of a handkerchief code or analogous display to signal sexual interests.

regular