Blink is the slot2 attack on the Fade. Simply switch to the slot2 attack, and then press your mouse button to "attack" (like a normal attack). You will hop off the ground a little, and move forward quickly. You can hold down the mouse button to move forward quite a bit, but that will drain your adrenaline quite quickly. It is generally better to repeatedly tap the mouse button.
In the options set the button for "last weapon used" to Q or another handy key so that after you blink you can press Q to instantly switch to your swipe attack, kill a person, then press they key again to switch back to blink and jump away. Just another alternative to the hud_fastswitch 1 method.
Comments
type hud_fastswitch 1 in console
and practice blinking and swiping
and u get good!