["My neighbor lets his dog wonder freely around the neighborhood. I honestly wouldn't care much if his dog wouldn't poop on my friggin' lawn all the time.", 'That would make me so mad!  What did you do?', "I haven't done anything yet, but it becoming annoying enough that if it happens one more time I'll give him a call."]
You should!  No one should have to clean up after someone elses animal.
My neighbor lets his dog wonder the neighborhood freely and he keeps pooping in my yard.