The phrase appears to be a common search query that blends two different aspects of the Angry Birds franchise: the animated series Angry Birds Toons and Level 1020 of the Angry Birds 2 mobile game.
52 episodes (Weekly releases from March 2013 to March 2014). Season 2: 26 episodes (October 2014 to April 2015). Season 3: 26 episodes (October 2015 to May 2016). angry birds toons 1020 episodes 1020 top
Each episode is approximately 3 minutes long and features non-verbal slapstick comedy. The phrase appears to be a common search