What is the ashtray for pouring water? Brief introduction of ashtray pouring rod

1, pouring water into the ashtray can quickly put out cigarette butts, but you can't find cigarette butts to smoke when you are poor.

2, the ashtray pours water This stalk comes from a popular sentence on the Internet, "Never pour water into an ashtray, I hope you will never understand this truth", which indirectly means that I hope you will never be so poor. This statement is often played jokes on each other between men.