아재개그 - 자가용 반댓말? What is the opposite of Private car?

자가용 Ja Ga Yong  (Private car, owner-driven car,privately-owned car)

자가용 A private car is a car that is not for profit and is used exclusively by individuals or their households. 

However, the pronunciation of 자가용 Ja Ga Yong means small. So the opposite of 자가용 Ja Ga Yong is 커용 Keu yong 'big'.

자가용 Ja Ga Yong  <---> 커용 Keu yong