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'
by gavos October 26, 2008
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Any Navy girl, ship or shore-based, who gives it up at the drop of a hat and gets around regularly. Ordinarily, best kept in the dark or with her face covered. See also: boat hoe

"That chick from the Saipan's so nasty, she reall hoe!"
"Yeah man, she's a Nav-a-hoe."
by LordKhyron75 October 8, 2003
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short for a car's GPS navigation system
My friend's Lexus came complete with a nav system.
by Billthrill August 23, 2006
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Device used for navigating the streets of Belfast, similar to a sat-nav but keeps you away from trouble spots. If the user ignores the suz-nav directions he/she will receive a swift swipe of a plastic bottle to the head.
I should have listened to my suz-nav!
does your audi have a suz-nav?
by opw tuning April 15, 2010
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A person who sucks at Tekken and @'s people to boost his self esteem. Sounds suspiciously like he's from whales.
"Moh is really being a Nitty Nav today."
by Def Not Chris June 21, 2019
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Female that can read a map. A cheaper, less-reliable way of navigating.
"I dont need a TomTom, I gotta Twat-Nav."
by Eddie Van Basten June 20, 2007
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That thing that lives in Shaylenes cubby hole that she chooses not to use while driving around lost not reading road signs and talking!
Why Shaylene should use her Sat Nav
Shaylene: "I don't know how to get to gateway from here"
Celia: "Well why didn't you say that when we left the OB? I don't know where we are"
Shaylene: "I think we are in la lucia"
Celia: "I think we should turn around and go the other way"
Shaylene: "Okay"
Celia: "Look just following the signs to gateway... turn left at the next circle"
Shaylene (turning right at the next circle): shit i missed the turn (this act was repeated four times)
Celia: Don't you read road signs?
Shaylene: NOT WHILE IM DRIVING!
by celielia March 18, 2011
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