to wave (a weapon) about (as a threat etc)

flaunt, swing around

to leave (a person, thing) uncovered or unprotected

reveal

to show off in order to attract attention to (oneself, one's possessions)

make an exhibition, show off

(a form of) activity for enjoyment

sports, games, special interests

(a kind of) activity, especially outdoors, done for amusement and exercise

recreational activity; entertainment

a meeting for taking part in a sport

recreational activity; entertainment