ei_ei_mun!
Catchphrase of Umamusume's Matikane_Tannhauser. Usually said with both fists clenched like the ganbaru pose but with arms spread further apart.
This phrase is memetic enough to overflow to the real-life Matikanetannhauser (the racehorse), with tweets of images of said horse being flooded with "Ei, ei, mun!" comments. Even NHK's official Twitter account has taken part in this.
See also
* Matikane Tannhauser (Umamusume)
* ganbaru pose
* Ganbaruzoi
Aliases: none