Verb
date up (third-person singular simple present dates up, present participle dating up, simple past and past participle dated up)
(intransitive, informal) To date someone who is more desirable or of a higher social status than oneself.
Synonym: outkick one's coverage
Successful men don't date up. They are intimidated by wealthy women unless they are blue bloods. Successful men want to always take care of their women, and that means financially. Patti Stanger