The phrase "2-trannies" refers to a porn video featuring two transgender women. In such videos, these performers engage in sexual activities with each other. These videos are specifically catered to viewers who are interested in transgender adult content. It is important to note that the term "trannies" can be considered offensive by some individuals and might not be suitable for all readers. As a result, it is recommended to use more inclusive and respectful terms when referring to transgender individuals or their content.