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1.
When commercials are playing between a race, game or show.
redneck yell Hey Jimbo, is that race back on yet? nope its still commercialing
by dooad November 24, 2010
 
2.
commercial-ing is when you drink a bottled beverage like they do on commericals for that drink.

comes after the fast drinking on commercial tv when someone is really tired and just swings back they neck and drinks it all.
yo i was so hungry that i was commercial -ing that gatorade.

jim just took that powerade and commercialed it, yo.

look at stacy, she is just commercialing that V8.
by john really brown September 02, 2006