A combination of yacking off and cackling. It can be used as an adjective or verb to refer to a group of young people disturbing public peace through loud speech interlaced with grating laughter.
The chugging of the train, combined with the constant yackling of the five girls seated in front of me, was enough to give any sane person a terrible migraine.
another term for a station wagon, mini-van, or any other kind of vehicle that is targeted at the "family" demographic(also M.A.V.)
"Tactical advantages aside, the M.A.V. is top of the line for the holy warrior troop transport manufactured by the Church of Latter Day Saints Military Industrial Complex. Also great for family trips...to heathen lands."
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.