A redneck term for lubricant mainly referring to Astroglide.
Ex. Baby reach in the drawer and pull out that pumpjack you're a little dry.
by pumpjack69 July 23, 2014
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The act of a woman being hammered from behind while half-standing and also bobbing for penis (giving a blowjob)
"My roughneck and I totally pumpjacked that slutty waitress from the brewhouse last night."

"My back hurts.. Dalt made me pumpjack with his friend Paul and I threw it out."
by girrl00 October 28, 2014
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Pumpjacking : when a drunk friend is sitting on the couch nodding their head from upright to hanging down trying to stay awake
Meandeanbean: Hahaha look at Billy over there pumpjacking , get the sharpies ready
by MeanDeanBean April 12, 2015
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When two guys stand face to face and jerk each other off, looking deeply into each other’s eyes, with the smell of a feedlot in the background
If you are ever in the panhandle with you best friend, be sure to enjoy an Amarillo pumpjack.
by Walker Cleveland October 13, 2018
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The act of a woman being hammered from behind while half-standing and also bobbing for penis (giving a blowjob)
"My roughneck and I totally pumpjacked that slutty waitress from the brewhouse last night."

"My back hurts.. Dalt made me pumpjack with his friend Paul and I threw it out."
by girrl00 October 29, 2014
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It’s when you are having sex doggy style with a man and he has a vacuum attached to his penis.
Last night I went over to Gary’s and he asked me for a Peruvian PumpJack
by Hillbillyhurricane January 04, 2021
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