diff --git a/config.json.example b/config.json.example
index 2e1c462..53adc76 100644
--- a/config.json.example
+++ b/config.json.example
@@ -32,6 +32,12 @@
       "url": "http://zwergf.elynx.fr/bots/horobot/",
       "delay": 2
     },
+    "insults": {
+      "commands": ["insult"],
+      "sentences": ["idiot"],
+      "pissed_rate": 33,
+      "deny_message": "No."
+    },
     "journeemondiale": {
       "commands": ["journée mondiale"],
       "url": "https://www.journee-mondiale.com/"
diff --git a/edmond/plugins/insults.py b/edmond/plugins/insults.py
new file mode 100644
index 0000000..9706b00
--- /dev/null
+++ b/edmond/plugins/insults.py
@@ -0,0 +1,54 @@
+import random
+
+from edmond.plugin import Plugin
+from edmond.plugins.mood import Mood
+from edmond.utils import proc
+
+
+class InsultsPlugin(Plugin):
+
+    REQUIRED_CONFIGS = ["commands", "sentences", "pissed_rate", "deny_message"]
+
+    def __init__(self, bot):
+        super().__init__(bot)
+        self.mood_plugin = None
+
+    def on_welcome(self, event):
+        self.mood_plugin = self.bot.get_plugin("mood")
+
+    def on_pubmsg(self, event):
+        message = event.arguments[0]
+        if self.should_handle_command(message):
+            self.handle_insult_command(event.target)
+            return True
+
+        content = self.should_read_message(message)
+        if content is None:
+            return False
+        if content in self.config["sentences"]:
+            self.react_to_insult(event.source.nick, event.target)
+            return True
+
+        return False
+
+    def handle_insult_command(self, target):
+        if self.mood_plugin is not None:
+            mood = self.get_runtime_value("mood", ns="mood")
+            if mood == Mood.CALM:
+                self.bot.say(target, self.config["deny_message"])
+                return
+        insult_target = self.command.content
+        if not insult_target:
+            return
+        insult = random.choice(self.config["sentences"])
+        reply = f"{insult_target} {insult}"
+        self.bot.say(target, reply)
+
+    def react_to_insult(self, sender, target):
+        if self.mood_plugin is not None:
+            mood = self.get_runtime_value("mood", ns="mood")
+            if mood == Mood.CALM and proc(self.config["pissed_rate"]):
+                self.mood_plugin.get_pissed(target)
+        insult = random.choice(self.config["sentences"])
+        reply = f"{sender} {insult}"
+        self.bot.say(target, reply)