It's a pump up phrase. Can be used in any situation in which tensions are high and excitement is built, like before an insane banger, or a huge sports game.
The 'T' in 'let's' is usually silent.
Guy 1: DUDE THE PARTY IS IN AN HOUR! THERE'S GONNA BE SOOO MUCH BOOZE!
Guy 2: LET'S GOOOOOO!

Guy 1: Come on we can win this game! COME ON 30 SECONDS LEFT!
Guy 2: LET'S GOOOOO!
by A.B. Whitestaff June 11, 2010
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Phrase used by popular rapper DaBaby at the beginning of his song VIBEZ. Used to either display enjoyment or in memes to imitate the mannerisms of DaBaby.
LET'S GOOOOOO! It's me Dababy. Im on my secret account and I want your social security number. HUH?!
by Owebama March 31, 2021
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An indirect statement to notify people around you that you are in the process of coming out of the closet
Congratulations sir, you won this rainbow underwear and low height boots.

“LETS GOOOOOO”
by TheAlwaysCorrect1 April 21, 2023
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