This porn video tag has the following meanings:
1. "Boys" - Refers to young, typically teenage or young adult males. In the context of porn, it often implies that the performers are on the younger side.
2. "Smoking" - This indicates that the video features scenes where the boys are engaging in the act of smoking, usually referring to cigarettes or other substances.
3. "(Gay)" - The tag specifies that this video is within the gay category, meaning it involves sexual acts between males.