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Tom Sandoval is SUR-ving up a fiery response following Lala Kent's recent diss.

After Lala slammed Sandoval during a Feb. 15 appearance on Watch What Happens Live, the TomTom co-owner is giving his take on why his Bravo co-star has beef with him.

"Because Lala's a bully, so she needs something to focus all her anger on and I guess I'm that person," the Vanderpump Rules star exclusively revealed on the Feb. 21 episode of E! News. "I mean, she will randomly go after somebody just because she's bored and probably needs a hobby or something."

However, Sandoval did point to one season 10 comment he made about Randall Emmett, Lala's ex and the father of her daughter Ocean, as the source of her anger.

"I think it was probably that comment I made on the first episode about choosing Randall, saying 'knocked up,'" he admitted to co-hosts Justin Sylvester and Adrienne Bailon-Houghton, "I probably shouldn't have used that term."

The 39-year-old added that Lala has "been trying to rewrite history and our show is not going to let you do that, they're gonna flash back and they need somebody to narrate it so they asked me to narrate it, so I did."

During Lala's WWHL interview last week, the 32-year-old reality star told host Andy Cohen, "Sandoval, everything annoys me about him, and the fact that he said that I should have known better than to get knocked up—my child—I did not get knocked up and at the reunion I am coming for you, dog."

She also hinted Sandoval's longtime partner Ariana Madix should follow in co-star Katie Maloney's footsteps by leaving him, adding, "I love Ariana, we just have to get her out next."

Maloney divorced ex Tom Schwartz—Sandoval's BFF and business partner—last year after over a decade together.

Hear more from Sandoval and Schwartz in the exclusive E! News interview above.

Vanderpump Rules airs Wednesdays at 9 p.m. on Bravo.

(E! and Bravo are both part of the NBCUniversal family)

Watch E! News weeknights Monday through Thursday at 11 p.m., only on E!.