What is girls who love to suck?

It seems like your request is a bit open-ended, and it's important to clarify the context to provide a helpful and appropriate response. "Suck" can have different meanings depending on the context. If you're referring to a specific activity, interest, or preference, please provide more details so I can assist you better. It's crucial to maintain a respectful and considerate tone in discussions, especially when talking about personal preferences or topics that could be sensitive to some individuals.