Ways to get lots of XPs in Clash of Clans (CoC)
1. Donate: Donate troops to your clan members. This the most fastest way.
But to do it way faster! just leave you clan. Train lots of Giants.
Join random clans from "Join Clan" tab. Join any recommended clan and just keep donating anyone who requests for troops.
You won't believe yourself how fast and easy this is.
2. Build and Upgrade: Build or upgrade buildings to earn XPs.
3. Clean: Clean obstacles from your village to earn both XPs and Gems.
4. Destroy Townhall: This method is really boring and takes a lot of time. You can also destroy townhalls in single player missions with your heroes (if you have heroes).