Without me permanently downloading random things somewhere
Hacked Client with Blink Hack.
If you can mod, you can easily code it yourself, I have too. Simply intercept the packets, save them, and then send them off after a certain amount of time.
Yes, relocate the connection via a server abroad.
What do you mean by "high" ping?
50? 100? 150? 300? 1000?
Oh, right, I'll try right now
A high ping is in itself anything over 100ms +
At some point, playing with this ping is no longer fun, because everything is delayed more and more
A ping in the 150 range is quite normal on American servers, so this is not a "high ping" for me. I was thinking about 500-1000, hence my answer. But yeah, if that's high for you, use a VPN server in America. Should be about there.
Just let the hostile player DDOSsen, i.e. Let them tune out.