you can shake drink shakers to make a shaking sound to simulate shaking the drink (#8399)

code/modules/paperwork/paper.dm

@@ -29,7 +29,7 @@
 	var/list/offset_x[0] //offsets stored for later
 	var/list/offset_y[0] //usage by the photocopier
 	var/rigged = 0
-	var/spam_flag = 0
+	var/last_honk = 0
 	var/old_name		// The name of the paper before it was folded into a plane.
 
 	var/const/deffont = "Verdana"
@@ -161,11 +161,10 @@
 
 	user.examinate(src)
 	if(rigged && (Holiday == "April Fool's Day"))
-		if(spam_flag == 0)
-			spam_flag = 1
-			playsound(loc, 'sound/items/bikehorn.ogg', 50, 1)
-			spawn(20)
-				spam_flag = 0
+		if(last_honk <= world.time - 20) //Spam limiter.
+			last_honk = world.time
+			playsound(src.loc, 'sound/items/bikehorn.ogg', 50, 1)
+		src.add_fingerprint(user)
 
 /obj/item/paper/attack_ai(var/mob/living/silicon/ai/user)
 	show_content(user)