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  (PHOTO) Facebook: Levi Johnston
  Levi Johnston pictured here with his son Tripp

Levi Johnston, the ex-boyfriend of reality TV star Bristol Palin, is seeking full custody of their son Tripp following a recent incident involving the toddler.

Johnston, 22, is said to be "disgusted" after witnessing his son use offensive language on Palin's reality show "Bristol Palin: Life's a Tripp," and now believes that Tripp will be better off in his care, according to new reports.

"[Tripp] deserves a better family. I love my son more than anything .. and I will do whatever it takes to make sure he is raised the right way," a heated Johnston told TMZ.

Johnston, who was recently photographed picking up the necessary documents at a courthouse in Wasilla, Alaska, said that he fears that his three-year-old son is on a "downward spiral" and getting "no real parenting" while in Palin's care.

The custody dispute follows a recent episode of Palin's Lifetime show titled "New Beginnings," in which Tripp has an on-camera tantrum.

The toddler throws a temper tantrum when Palin, 21, and his Aunt Willow tell him that he cannot go to the pool.

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"Go away, you [expletive]," Tripp is heard yelling during his meltdown. While the subtitles show Tripp saying "Go away, you f---!" critics believe that the toddler may have actually used a homophobic slur, which Palin recently denied.

"As I've said before, I sometimes struggle to raise Tripp. However, he does NOT use slurs. Let me be clear. I'm not proud of what he did say. Sadly, he used a different "f word," Palin posted in a statement on her personal blog page.

Palin has not yet publicly responded to Johnston's parenting criticism.