Sean Stewart to Brandi Glanville — You’re Pathetic!

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Adrienne Maloof”s new BF Sean Stewart doesn”t have time to deal with “Real Housewives” drama spewing from Brandi Glanville“s mouth … telling our sources, she needs to stop being so desperate for attention.

Sean was out in L.A. Friday — when we asked him about Brandi blasting his relationship with Maloof on a TV talk show this week, where she said the couple”s 19-year-age difference “makes me want to throw up in my mouth a little and swallow it.”

Sean fired back with some choice words for Brandi and then left her with one last piece of advice.

Check it out.