diff --git a/antidrift/config.py b/antidrift/config.py
index 30f39b6..f3fbba3 100644
--- a/antidrift/config.py
+++ b/antidrift/config.py
@@ -8,6 +8,7 @@ from pydantic import BaseModel
 class Block(BaseModel):
     name: str
     keywords: List[str]
+    kill: bool = False
 
 
 class Config(BaseModel):
diff --git a/antidrift/daemon.py b/antidrift/daemon.py
index 2eeedd7..2263388 100644
--- a/antidrift/daemon.py
+++ b/antidrift/daemon.py
@@ -139,7 +139,12 @@ def window_is_blocked(config: Config, silent: bool = False) -> bool:
         return False
     for b in blackblocks:
         for k in b.keywords:
-            if k in window.keywords:
+            if k in window.keywords and b.kill:
+                window.kill()
+                xwindow.notify(f"Kill for {k} on {b.name}.")
+                logging.warning(f"Kill for [red]{k}[/red] on [red]{b.name}[/red].")
+                return True
+            elif k in window.keywords:
                 if not silent:
                     xwindow.notify(f"{window.name[:30]} blocked by {b.name}.")
                     logging.warning(f"[red]{window.name[:50]}[/red] "