1 definition by toastanddogs
To hold your dick in both hands and slap your beloved across the face, as if you were chopping off their head.
"Hold your head up so that I can't Sensai-Slap you with my sword!"
"Jack Sensai-Slapped the shit out of me the other night and I can't move my neck!"
"Jack Sensai-Slapped the shit out of me the other night and I can't move my neck!"
by toastanddogs September 1, 2015