#Follow your jungler around and steal his camps so he feels like shit and learns his place.
If he starts flaming you, just mute and report him for verbal abuse so hopefully Riot bans him.
Champ tier list:
Tier S - Nunu (free smite every 10 secs)
Tier 1 - Cho'gath (free lvl 18 smite with triple cooldown after 6)
Tier 2 - Darius, Cassiopeia, Singed, Urgot, everyone with DoTs. (easy to steal camps with your DoTs)
Tier 3 - Everyone else (don't pick these champs, they suck)
Trust me, I'm Diamond