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
Get the Pump Your Tires mug.
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
Get the Pump Your Tires mug.
erica: say something nice to me
jake: man I'm always pumping your tires.
by PUMP MEEEE February 27, 2012
Get the pumping your tires mug.