diff --git a/code/__DEFINES/dcs/signals.dm b/code/__DEFINES/dcs/signals.dm
index 7e1a83486d..f006caf1c1 100644
--- a/code/__DEFINES/dcs/signals.dm
+++ b/code/__DEFINES/dcs/signals.dm
@@ -452,6 +452,9 @@
 	#define COMPONENT_TWOHANDED_BLOCK_WIELD 1
 #define COMSIG_TWOHANDED_UNWIELD "twohanded_unwield"					//from base of datum/component/two_handed/proc/unwield(mob/living/carbon/user): (/mob/user)
 
+// /datum/component/squeak signals
+#define COMSIG_CROSS_SQUEAKED "cross_squeaked"							// sent when a squeak component squeaks from crossing something, to delay anything else crossing that might squeak to prevent ear hurt.
+
 // /datum/action signals
 #define COMSIG_ACTION_TRIGGER "action_trigger"						//from base of datum/action/proc/Trigger(): (datum/action)
 	#define COMPONENT_ACTION_BLOCK_TRIGGER 1