A hybrid of 'Excuse Me' and the Japanese word 'Sumimasen,' which means 'Pardon Me,' it is a term used by wannabe Japanese-English bilinguals who have done something stupid, want to only marginally ask for forgiveness, and rejoice in thinking they sound witty.
An American exiting a crowded train in Tokyo: "Excusememasen!"
Japanese collective spirit: "..sigh.."
Clifton: "Ah, did I spill my beer on you? Excusememasen!"
Rika: "ha.. vely funny..and yes you did.."
The action of showing confusion after an absurd event. This term became popular after a meme rememe, and got spread by the 9 year old army.
Usually when done correctly, the arms will form 2 sine waves, the atmosphere around you will become distorted and the color configuration will become abstract.
EXAMPLE 1
A : What’s your biggest fear?
B : ...
A : ...
B : SOMEBODY ONCE TOLD ME THE WORLD IS GONNA ROLL ME I AIN’T...
A : Excuse me what the fuck?
EXAMPLE 2 (Edgy)
Random Template : *exists without being a meme*
Reddit’s 9 year old memer : Ayx queues me, What the EH?