"Monster cock gay (gay)" is a combination of different porn video tags that describe the content of a specific video. Here's a breakdown of each tag:
1. "Monster cock": This refers to the size of the penis, implying it's larger than average. In this context, it indicates that the video features men with oversized penises engaging in sexual activities.
2. "Gay": This term specifies the type of relationship or activity displayed in the video. It denotes that the video contains male-on-male sexual activities or relationships.
So, this tag combination is describing a porn video featuring gay content involving men with large penises engaging in various sexual acts.