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A method of navigation superior to GPS, which utilizes the measurement of relative air-current temperature. The method involves the application of saliva to a male’s scrotum by a female’s tongue. The scrotum is then placed outside the window of a moving vehicle. Air currents are analyzed via temperature changes detected in the epidermal layer of the scrotum. A normal vector corresponding to the isothermal region with the lowest relative scrotal temperature is deemed the “sacknav” vector. The sacknav vector always points parallel to the direction of final destination, via the path of least resistance.
Orion used sacknav to successfully navigate the roads of Vancouver.
sacknav by matricks April 26, 2009
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sacknasty 

Bag lunch, usually consists of two warm bologna sandwiches, a bruised apple or orange, and a small bag of regular chips. If you're lucky you might get zebra cakes, all in a brown paper bag. Most of the time sandwiches go in first so they get smashed.
I'll trade you my sacknasty for your cheeseburger?
sacknasty by Jojwjwjejej December 22, 2013
Related Words

sack nav 

In-built biological navigation system used by the male of the species to find a mate. Generally initiated by combining a state of over-laden plums with a large intake of alcohol.
'Peter's going round the dancefloor like a dog with two dicks. Yeah, he must have switched on the Sack Nav'
sack nav by gavos March 4, 2009

sacknanny 

A derogatory word that is sometimes used to describe one that has no courage or strength.
That guy is worse than a pussy he is a sacknanny.
sacknanny by NORCALBL September 16, 2007
one of the funniest tiktokers out there she likes dtqk
OMG IS THAT SACKNAP SHE HAS LIKE 23K FOLLOWERS ON TIKTOK
sacknap by anonymous mutual September 18, 2022

sacknack 

To sacknack is to punch male genitals
Ayo sacknack that nigga
sacknack by Fartgot May 24, 2023