Should i askhim or wait for him to ask mee?

over rhe past few weeks..this boy has been hitting on me..we talk on facebook and he told me that he likes me..he danced with me at our school dance..he looks at me in class..should i wait for him to ask me or ask him myslef. Do guys think its wierd if girls ask them out? The Boy looks at me all the time..acts wierd and funny in front of me..i can tell hes flirting but idk wha to do