wave goodbye

catch a wave

To derive benefit from a fortunate opportunity; to experience a sudden increase in energy or luck.

heat wave

A period of exceptionally hot weather.

ride the crest of the wave

To go through a period of maximal prosperity.

ride the wave

To take advantage of a profitable period.

say goodbye

To separate from someone or something.

wave aside

To dismiss something without paying much attention to it; to decide something is too unimportant or unnecessary to respond to

wave away

To reject or dismiss with a hand gesture.

wave of the hand

A simple gesture, as used for greeting, command, dismissal, or summoning something as if by magic.