BUSINA

This is reportedly from the Mexican Spanish word bocina.

bu·sí·na

busina ng kotse
car horn

Bumusina ang kotse.
The car honked.

Bumubusina ang kotse.
The car is honking.

Businahan mo.
Honk your car horn at (it / him / her).

Huwag mo akong businahan.
Don’t honk your car horn at me.

Non-standard spelling variation for the verb: businahin

KAHULUGAN SA TAGALOG

busína: kasangkapang pansasakyan na pinatutunog bílang hudyat o babalâ

pótpot, bosina