chain fear

#showtooltip
/focus [target=focus, noexists][target=focus, dead] mouseover
/cast [target=focus, exists] Fear; Fear
/stopmacro [nomodifier]
/clearfocus [modifier:ctrl]

If you do not have a focus it will set focus on your mouseover target.
It will cast fear on your focus.
If you do not have a focus, it will cast fear on your target.
Will null your focus if you click the macro button with the control key held down, or if your target is dead.

i have a shitton of lock macros, if u r lookin for a specific one let me know