I just got so fed up of the weeds in my lawn (back yard) (DH keeps saying he has something to take care of it blah blah blah) so I went out and sprayed some home-mixed Roundup on them. Then learned that kills grass too.
The areas I sprayed have little if any grass but still - OOPS! It darn well better kill the weeds 
I'm not too fussy about grass and we have way too much lawn to have a manicured lawn but the two year drought has seriously destroyed the back lawn. Some areas have nary a blade of grass - just some weird weed that looks itchy scratchy. I can deal with the weeds interspersed with grass but entirely weeds has me peeved.
Anyway I should be down to bare dirt shortly
Prime mole territory ay?