Leroy Jethro Gibbs's hands are a temporary cure for stupidity. Scientists wish to study them to find a more permanent solution.
Leroy Jethro Gibbs lists his gut as a dependent for his taxes. The IRS has yet to confront him on this. No one questions Gibbs's gut.
Chuck Norris learned everything he knows from Leroy Jethro Gibbs, but Leroy Jethro Gibbs didn't teach Chuck Norris everything HE knows.
You're not allowed to have drinks in MTAC. Unless you're Leroy Jethro Gibbs.
Leroy Jethro Gibbs is not the FBI, dirtbag.
Leroy Jethro Gibbs lost one bet, to Ashley Revell. Originally, he had to shave his head. Instead, he grew a moustache.