Define Lieutenant Meaning

Lieutenant
a low level U.S. military officer in the Air Force, Army and Marines. Officer ranks (which operate separately from enlisted ranks) are categorized as O-(1-10) A Lieutenant is an O-1 or O-2. Only in the navy is this different where a Lt. is an O-2 or O-3. In Contrast a General or Admiral is an O-10.
The term can also be applied in civilian terms to refer to a second in command. As in a lieutenant governor.

I don't care... just ask some lieutenant to do it.

The governor is on vacation, so the Lt. Governor is running things for a few days...
By Ursola
Lieutenant
A mid-level commander/officer rank in many modern military forces. It can also be used to refer to a second-in-command in military or political hierarchy.

That guy is a lieutenant in the Army.
No, he is the Lieutenant Governor.
By Camile
Lieutenant
A rank of person in the military that frequently gets lost and is usually very confused.

Hey lieutenant, I can help you find your way back if you need assistance.
By Susannah
Lieutenant Dan
A true American hero, a man who had a destiny. Forrest Gump's lieutenant in Vietnam who gets his legs amputated. Later, he helps Forrest get rich with Bubba Gump shrimp.

By Blanca
Lieutenant Sarcasm
The person you temporarily become after thanking Captain Obvious.

*People are looking at a burning building*

Person 1: Whoa, guys, look! It's on fire!
Person 2: Thank you, Captain Obvious!
Person 1: You're welcome, Lieutenant Sarcasm.
By Hermione
Lieutenant Dangle
n. A man who wears really short shorts (plum smugglers) on a nearly constant basis. (see Girf)

By Consolata
Lieutenant Sides
Some huge sky crane motherfucker that is just boss at everything.

That motherfucker Lieutenant Sides...I swear man.
By Twyla
Lipstick Lieutenant
A mildly derogatory term for a Warrant Officer in the US Marine Corps, derived from the WO's insignia: a Lieutenant's bar with a series of red enamelled blocks denoting the WO's grade.

Jake's a Lipstick Lieutenant now; he just got promoted from Staff Sargeant to Warrant Officer...
By Lida
2nd Lieutenant
A person in the army, or marines who thinks they know everything. After about 5 years of looking like a dumbass they learn some shit and get 1st lieutenant.

Hey 2nd lieutenant the captain told you to report to the pool on the 5th floor of the parking lot. Of course it has 5 floors not 3.
By Edie
Lieutenant Dan

By Mandie