Its what you call your bloody moronic GPS when you type in "Ashbourne to Manchester" and it takes you to Southhampton.
by MrKittyPetter December 02, 2020
A natural internal navigational device that allows you, no matter how drunk or unappealing to somehow come across a lady with standards so low that she may ensure your night out on the pull was not in vain.
I was a steaming wreck, sometimes I wonder how that twatnav works. She was a total minger but I guess I must have had fun at the time!
by 74.6 August 08, 2009