The Alt Right is not just an ideology but, most importantly, an irreverent,
fresh and high-energy modern modus operandi. Unfortunately, the only
true French nationalists – because we’re talking about real nationalism
here, not “cucked,” naive patriotism – who actually think Alt Right, don’t
behave Alt Right. At all. In fact, their ways are quite the opposite:
unattractive and dusty, low-key and low-energy. Repelling instead of
[...] Donald Trump calls losers like Jeb Bush "low energy" and refers to himself as “high energy.”
In August 2015, Donald Trump first referred to then-rival Jeb Bush as a "low-energy person," Business Insider reports. The Donald became quite fond of the phrase, using "low energy" to describe Bush at every opportunity and every possible way. At a rally in Alabama, the low energy train really started to pick up speed:
"Let's assume that somebody else becomes president. Wouldn't that be horrible? Wouldn't that be horrible? So let's assume that somebody else becomes president. Let's assume a very low-energy — very, very low energy, so low energy that every time you watch him, you fall asleep [...] Let's say Jeb becomes president. Not good. Not good."
Supporters became enamored with the phrase, and began using it to describe people, places, and things they dislike as being "low energy" or having "low energy." If, however, they find something to be particularly agreeable, they will describe it as being "high energy" or having "high energy." You will find many posts and comments in r/the_donald that praise the "high energy" of OP (person who originally posted).
If they are particularly excited, they might exclaim "DONALD TAKE MY ENERGY" and add a few of these: ༼ つ ◕_◕ ༽つ