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Also known as the kamikaze jump, this is a jump off of a high geographic feature while holding in a rather large hit of marijuana.

To elaborate, it is a name for the process of taking a large hit of smoke, and holding it in your lungs untill after you have gotten in the water and surfaced after you have jumped.
Hey guys, lets head down to the quarries and kamikaze that shit with a sludge-pump-jump

Anyone got bud? I wana sludge pump jump into the river

Holy potatoes man! that was a diesel sludge-pump-jump

Im a sluge-pumpin superstar
by Chizzy McGrizz June 18, 2011
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