1. The act of masturbating (the bumping of the tip of the penis) and fist pumping at the same time. This act is usually done when watching exciting porn or when someone just really likes Jersey Shore.
2. The act of making the previous definition motions as a dance.
1. Person X: Dude you wanna go down town tonight?
Person Y: Na I rented a gang bang porn and I think I'm going to cheer on the guys by doing the Head Bump, Fist Pump.
2. Person X: How are you banging a different girl every other week?
Person Y: I just Head Bump, Fist Pump like a champ at the clubs.
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When a man orgasms and semen vigorously flies out like a fire hose in four times.
Bill is only a 4 pump chump when looking at his mothers bare chest.
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One who usually ejaculates after approximately two thrusts of the penis during sexual intercourse, with the opposite or same sex.
Typically one who remains abstinent.
Paige:" So, how was Ivan last night;)?"
Madison:" So lame, he was a Two Pump Dump kinda guy..."
Paige:"Oh no! What a loser!"
Madison:"But his brother was pretty cute;)"
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When you catch your 10 year old cousin blasting rope to fortnite porn at 3:27AM, so in response you join him.
Last night me and my cousin did a double pump cum dump!
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The act of stabbing some one in the chest and then fucking the hole you just made.
Dude I totally chest pumped this girl at the bar
I think she died after i chest pumped her
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Laying on your back and masturbating with your feet.
my hand got tired so i masturbated with my feet and it looked like i was kicking my heels like a irish.... Irish Foot Pump
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Someone who has no backbone no courage no heart and avoids Conflict at all cost
You ain't going to do nothing to me your heart pumps Kool-Aid
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