What is "pepped"

Usage examples of "pepped".

Horses which have been stimulated with adrenalin are pepped up at that point.

There was, as Beckett had said, no mistaking the effect of whatever had pepped him up.

Then, with Lukien at his side, he Pepped into the tumult of the banquet.

Mignureal pepped up, blinking mistily and showing him the best smile she could muster.