Weave

The Bob & Weave (aka roll) is a defensive motion that moves your head beneath and to the side of an opponents strike. It is most often used as a defense against hooking punches but can also be used against straight punches. To execute, slightly rotate and move your body away from the oncoming punch as you quickly drop down by bending at the knees (The Bob). From there, begin to rotate and move your body to the opposite side as the punch passes above your head. Extend your knees and return to an upright position ready to execute a powerful counter punch or to simply return you to your fighting stance. The entire motion should resemble a the shape of the letter U. (Side note: As you execute the bob portion of the motion, you can also step out slightly with the foot opposite this initial movement this may give you a slight angle on your opponent).

Alternatively, you can Duck and Weave. To execute, you drop straight down, then rotate and move your body to the side as the punch passes above your head. This is often done with a step so you can maintain your base. 

-Weave Toward Lead Side 

-Weave Toward Rear Side *example

Weaving With Footwork

-Weave Toward Lead Side With Lead Step To The Side *example

-Weave Toward Rear Side With Rear Step To The Side *example

Weaving After Punch

-Jab->Lead Side Weave

-Cross->Rear Side Weave

*Tutorial *Tutorial 
*Duck & Weave Tutorial