someone who is extremely friendly as in fast, a synonym to fliatcious but worst.

Can also be described as a pimp, player, whatever you call someone touching and teasing several people, in other words being a almost hoe or going into that direction.
Did you seee shawty over there, she look bout right, but she too tacious, man, i heard she be with Devin, talk to Dante, and be flirtin with Shawn on the sneak tip.

Ay, Niqua you see that dude, shawty lookin right. Niqua said yeah but i heard he act tacious with almost every other female you don't wanna go that route.
by Misz. Shola March 3, 2008
Get the tacious mug.