Added 1 minute later:
Just like dragunov iWS d,df,4.
does yoshi has this?
all characters have "Instant While Standing" moves. yoshi's main one is iws 3,2. its the regular ws 3,2, but just do it instantly. as a test you can try:
f~df+1, f+1, b+1,1, iws 3,2->f+[3+4]. happy samurai sweeping!