To compliment; to inflate someone's ego
Hey man, I'm not trying to pump your tires, but your performance tonight was amazing. Great job!

I'm not trying to pump my own tires or anything, but my homemade chocolate chip cookies are to die for!
by TirePump February 4, 2010
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When someone feels the need to speak highly of themselves, to increase their worth.
Person 1: Yeah, I am pretty awesome at soccer, after saving all of those goals.
Person 2: That, or you have some good defenders.

Person 1: Hey, hey...just let me pump my tires, okay?
by WingustheDingus April 4, 2015
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erica: say something nice to me
jake: man I'm always pumping your tires.
by PUMP MEEEE February 27, 2012
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A sex move commonly used in the gay community where you stick a bike pump in someones ass or balls and proceed to inflate them.
I don't mean to pump your tires but....

OH YEAHHH I REALLY PUMPED HIS TIRES LAST NIGHT
by Bill223 September 4, 2020
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The act of injecting air into a ball sack and pumping of air until full.
Devon: Bro I 'm pumping the tires
Gavin: how full are they
Devon: dumby full
by superpumpedguy123 December 21, 2019
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