...this is what the synopses would look like. I may add more later.
Code Geass- Angsty, noodle-limbed protagonist with pinkeye plays chess with giant robots to protect creepy sister.
Death Note- Girly men try to outsmart each other by eating potato chips. Everyone dies.
Neon Genesis Evangelion- Fucked-up kids pilot their mothers to prevent space aliens from blowing up Antarctica again.
K-ON!- Pointless cute girls do pointless cute things.
Hidamari Sketch- Slightly different pointless cute girls do slightly different pointless cute things.
Fruits Basket- Selfless girl is into beastiality.
Maria Holic- Most obnoxious protagonist ever does obnoxious things and steals screentime from God.
Kino's Journey- A crossdresser and a magical bike talk about doing things but don't.
Spirited Away- Miyazaki got his hands on acid.
Hetalia: Axis Powers- Pretty gay boys have a fetish about acting out world wars.
Oh! Edo Rocket- Boy builds fireworks that can reach the moon. Also there are space monsters and maid cafes.