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1.
Using a liquor-soaked tampon and plugging it into your anus to accelerate your drinking buzz.
Neil was late to the party so he did a Turbo Boost to catch up with everyone.
by Jeph Johnson July 23, 2008
 
2.
momentarily turning off your car's air conditioner to hasten acceleration
Crap, this interstate traffic is like merging into the Daytona Speedway....time to engage the turbo boost!
by ameski September 16, 2011