A military slang term that is the combination of the military slang word for new guy (Boot, or Barely out of training) and lieutenant. A Bootenant is an LT who is fresh out of training and assuming command for the first time. Full of book knowledge (though often not even that) they are a unique combination of overconfident and incompetent. Their attempts to be authoritarian and dominant are undermined by the fact that they often have no idea what they are talking about and lack any actual leadership skills or experience. Since he is fresh out of training usually the NCOs under him have far more hands on experience and time in service but are still legally required to obey whatever he says while saluting him and calling him sir. Bootenants will often try to compensate for their lack of actual leadership skill or hands on experience by over-enforcing petty regulations that have no effect on the mission. A Bootenant can run the risk of being known as a Regulation Ranger.
Corporal: Did you hear the bootenant spend 45 minutes just telling everybody not to wear white socks?

Sergeant: Yeah, Isn't he the one who stutters and forgot to tie his own boots yesterday? What an asshole, I can't believe we have to do whatever he says.
by TCAT1117 November 17, 2018
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1.A dude with a large shaft
2.Brandon Wade's attempt to speak german
3.A word only l337 ppl can say
Ach! Mein computren isnt worken! Getten sie ein Booten Disken!

I prod you with Das Booten Disken Directors Cut

A:/Driven Erroren....Booten Disken Nicht Gefunden
by 501 Helpren February 3, 2004
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Noun: A young, inexperienced, fresh-to-the-fleet Marine, who's still crapping out MCRD chow, still thinks High-and-Tights are cool, wears a stupid digi-backpack, and has not yet paid off their G.I. Bill.

From the combination of 'Teufel Hunden' (German for Devil Dog, and a common nickname for Marines) and 'boot', which denotes a young, inexperienced Marine.
Senior Lcpl: "Hey, who's that with the USMC shirt and the cammie pack out in the quad doing PT on a Saturday?"

Other Senior Lance: "Oh, that's some stupid-ass Teufel Booten...want another beer?"
by TrmnlLcplMcDirty July 8, 2010
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