While drinking a tall can of half lemonade and half tea you save a child from drowning at the local pool, while still holding and keeping your drink ok during the rescue. - Half of your attention is on the child, Half is on your Half-n-Half.
The act of a woman sucking on a manstesticles while he simultaneously urinates and defecates creating a showering effect that half covers the woman in urine and half in feces.
A term from the popular youtube live streaming show GTLive, Which stands for Game Theory Live. MatPat Said It's Origin is from his 7th grade teacher who would give them Clap N half. The Like to joke that the stole it from her because Mat Had hated that teacher.