diff --git a/src/lib/commands/built-in/block-term.ts b/src/lib/commands/built-in/block-term.ts
new file mode 100644
index 00000000..4487f593
--- /dev/null
+++ b/src/lib/commands/built-in/block-term.ts
@@ -0,0 +1,18 @@
+import { CommandError } from "$lib/errors/command-error";
+import { ErrorMessage } from "$lib/errors/messages";
+import { defineCommand } from "../util";
+
+export default defineCommand({
+	provider: "Built-in",
+	name: "block-term",
+	description: "Block a term and prevent it from being used in chat",
+	modOnly: true,
+	args: ["term"],
+	async exec(args, channel) {
+		if (!args[0]) {
+			throw new CommandError(ErrorMessage.MISSING_ARG(this.args[0]));
+		}
+
+		await channel.blockTerm(args.join(" "));
+	},
+});
diff --git a/src/lib/models/channel.svelte.ts b/src/lib/models/channel.svelte.ts
index ba95f1ba..bef414b3 100644
--- a/src/lib/models/channel.svelte.ts
+++ b/src/lib/models/channel.svelte.ts
@@ -235,6 +235,22 @@ export class Channel {
 		return data;
 	}
 
+	public async blockTerm(term: string) {
+		if (!app.user?.moderating.has(this.id)) {
+			return;
+		}
+
+		await this.client.post("/moderation/blocked_terms", {
+			params: {
+				broadcaster_id: this.id,
+				moderator_id: app.user.id,
+			},
+			body: {
+				text: term,
+			},
+		});
+	}
+
 	public async raid(to: string) {
 		if (!app.user?.moderating.has(this.id)) {
 			return;