Please for the love of whatever you believe in, don't spam pings on top of someone in combat....
If you feel a single ping is in order, feel free to to use a "single" ping, 1, one.
And try not to do it on top of your ally..
It really is extremely distracting when all I see is a big red ! and hear what I would describe as a windows error pop up cranked up tot he max over and over and ping ping ping I FECKIN HATE IT WITH AN UNHEALTHY PASSION....

in mid lane, your bot lane should be smart enough to be LOOKING at the map for a roam from the moment they hit level 4 and after and shouldn't even need a ping. but then I wanted the unicorn from deadpool for Christmas. I didn't get that either.