Having a tendency or desire to shoot a firearm irresponsibly before adequately identifying the target. / (by extension) Inclined to behave recklessly or violently at the slightest provocation.

(chiefly US, informal) One who is thoroughly content or satisfied. / Used other than figuratively or idiomatically: see happy, camper.

(informal) The practice of physically attacking (originally, slapping), and often verbally abusing, a person and photographing or filming the attack using a camera phone, the recording sometimes being sent to others to further humiliate the victim.

(US, Canada) The greeting said near the holiday Thanksgiving.

(informal) A person who practises happy slapping.

(informal) An instance of happy slapping.

(US, Canada) A greeting used during the Christmas and winter holiday season to recognize the celebration of many holidays, sometimes starting with Thanksgiving and including Hanukkah, the winter solstice, Christmas, Kwanzaa, and New Year's Day.

A time of day, usually in the afternoon or early evening, when a bar or pub offers its drinks at a discounted price.

plural of happy slapping

plural of happy slapper