All Rihanna wants for Christmas is a giant peen!

The “Umbrella” hitmaker – who has been single since former boyfriend Chris Brown assaulted her in February – is ready to date again, but the singer says she isn’t interested in suitors who aren’t working with a big stick between the sheets.

At least she’s honest.

“He has to be good in bed and the size matters. You know what I mean? The inner beauty counts as well, but without a toy it doesn’t make it fun. Right now I don’t want to have a serious relationship, I want to have fun,” Rihanna allegedly quipped to German magazine Bravo when asked what it takes for a guy to impress her.

For that reason, Rihanna, 21, is quite selective about who she gives her number to.

“I love flirting at the moment. I’m single and I’m enjoying my freedom. But I don’t give my phone number out that often. But if I’m dating, I check the boy from the top to the bottom.”