I have a painful cyst where the scrotum and thigh meet, when i popped it, it leaked a orange fluid that got redder gradually. what could it be?

Here are some ...: What described most likely represents the innate sebaceous cyst with superimposed infection - a process similar to the acne. To rid it completely and permanently requires a complete surgical excision, which can be done under local anesthesia as an outpatient while the acute inflammation subsides. Of course, it's hard to say for sure in 100% without a direct look at and feel on it. More? See Doc...