This porn video tag has the following meanings:
1. Club - The content features a scene taking place in a club or similar setting, possibly with music and dancing.
2. Amateur - The performers involved are not professional porn actors, but rather regular individuals filming themselves or participating in amateur productions.
3. USA - This content is either created in the United States or features American performers.
4. Gay - The scene depicts sexual activity between men (male-on-male action).