n. 1. whistle producing a high shrill noise; 2. horn on a vehicle; 3. notification, word of intimation for an important event (humorous). Nakasal na diay mu? Wà man lang muy sirbátu! Why, you got married without even giving us the slightest hint! v. 1. sound a whistle or horn. Gisirbatúhan ka. Padaplin, He blew his whistle at you. Go to the side; 2. give word or notification for an important event (humorous).