Wiktionary
heads-ups
n. (plural of heads-up English)
Usage examples of "heads-ups".
Occasionally, one of them looked away from the large central display to check a readout on one of the several drifting heads-ups that followed each of them around the room like so many flat, rectangular, semitransparent dogs.
Immediately, new screens winked to life and freshly charged heads-ups glowed to one side and overhead.
The Level A linkage they were using right now really wasn't much better than the baseline heads-ups the poppers who flew Axeheads or Dragonflies got.