Heimerdinger

you cant. farm under tower wait for ganks and abuse his low armor/mr lategame.

If you have pokes, destroy his turrets. Early game it's on a insane long cooldown, and if your skill is under even lower one, you can destroy all of his turrets eventually.

And remember that a smart heimer will rush to his lane and start planing turrets middle of the lane.

You actually cant.

Go up to hit tower, hope that the scripting towers don't hit you for half of your hp while you break them, and that heimerdinger got something stuck in his eye so that he can't see you and won't attack you.

Then you do it again, and again, and again.

By picking the right champion kayle zed azir TF to name a few

If it's mid lane, play Xerath or Ziggs; they out-push him and can easily clear our his turrets. If it's top lane, cry under turret until lane phase is over. Make TP plays and only go for safe farm.

banner of command if you're ap, hexdrinker if you're ad. spam GG easy on chat.