A take on a normal or sensitive matter that is overreacted or over exaggerated for people that assume they know better and will go out of their way to ban, erase, eradicate and delete all form of declaration or expression about the matter.
Bob: you were banned because the mods dint liked your black meme, they have white-taken it
jack: mods are such snowflakes, always white-taking all funny stuff and banning people for talking about anything that they don't like
A blowjob where the person recieving the oral sex ejaculates into the mouth of the one giving the blowjob, and their mouth is filled with white ejaculate, hence White Head.
You: Last night was wild, my partner gave me some head and let me cum in their mouth!
Friend: Wow, I've never met anyone who would give me White Head!