An individual who believes in and spreads the various myths and hoaxes associated with the termination of the Mayan long-count calendar on and around December 21, 2012
John Doe: Hey sis, did you hear that Woody Harrelson's a 'twelver'?
Jane Doe: A what?
John Doe: A 'twelver'. You know, someone who believes the world is going to end on December 21, 2012.
TTI is an acronym for “Tommy Twelve Inch.” Tommy Weiner, aka TTI attended Arrowhead High School and is known county wide as having a foot-long cock that dangles lightly above his knee cap.
Did you see that Kate is now is a wheelchair? Yeah man, I think TTI (Tommy Twelve Inch) devastated her box with his mammoth cock.
another term for a station wagon, mini-van, or any other kind of vehicle that is targeted at the "family" demographic(also M.A.V.)
"Tactical advantages aside, the M.A.V. is top of the line for the holy warrior troop transport manufactured by the Church of Latter Day Saints Military Industrial Complex. Also great for family trips...to heathen lands."