失せろ
Meanings
1
beat it!; get lost!; get out of my sight!
Rough, blunt imperative from the verb 失せる (to disappear, to go away). Used in anger or strong dismissal, often in masculine or tough speech. Equivalent to telling someone to scram or buzz off.
See also: 失せる
Get lost! Don't ever show your face again.
Beat it, you bastard!