Something or someone that is stupid, dumb, or crazy.
"Stop being such a tweek !"
Person#1: I failed the history test.
Person#2: That was so easy, you tweek !
something that looks strange or is very cool
dude that shit is tweek!
To pinch or flick...
"I tweeked her nipple and she tweeked my clit with her tongue."
When a girl plays with her Vag for pleasure or to tease men
My hoe girl friend was caught tweekin off at a party, all the guy seen her cookie
Can be a state of paranoia, Have to urge to hurt or kill somebody, Be Extremely mad (sometimes because of drugs or mental ilnesses)
Im going to Tweek on someone very shortly!
"Dude, check out my tweeked up motorcycle..."
to pinch or flick
I tweeked her nipple and she tweeked my clit with her tongue.