To give someone a ride. It used to be used in the context of the bicycle, when you rode and had your passenger sitting on the handlebars. Now it applies to any form of transportation where a person getting a ride is getting the "tow", including cars, motorcycles, shopping carts, etc.
Yo son, I need a tow. Come scoop me, I need you to shoot me to the mall.
by Kyle with a shout out to the hollywood cartel November 02, 2007
Your significant other and dependents (children). People with whom an individual is responsible for or to, immediate family. In the tone of ;ball and chain'.
Sever your tow for one nite and show your boys you're still da man.
by TechnoMaven August 20, 2003
Slang word for a hot chick.
"oh my god your sister is tow"
by Mojo August 16, 2003