leroy jenkins shouts "LET'S DO THIS!" and his own name, followed by him charging into a raid with disregard to the carefully laid plans his nerdy raid group came up with
nerdy group leader: can you give me a number crunch real quick?
number cruncher: uh....yeah give me a sec...im coming up with 32.33, uh, repeating of course, percentage of survival
nerdy group leader: well that's a lot better than we usually do...uh...so are we...
leroy jenkins: alrite, times up! LET'S DO THIS! LEROY JENKINS!
nerdy group leader: omigod he just ran in
by iSTALKforCASH October 9, 2009
Usually said before a fight, or when an event is about to go down. You are wanting to be part of this event.
p1: Dude you called my cat a fucking heeb.
p2: Let's right, you wanna rumble over it aunt jemima?
p3: Fuck yea! Let's do this!
by kRaZyToM April 30, 2004
Let's do whatever we came to do or are discussing.
"You ready to fuck? Aight, Let's do this."
by Erica Brown April 25, 2004
Signal to go forth with something.
Bob: Wanna go smoke some reefer?
Cob: Let's do this
by Chris Buckley April 26, 2004
A phrase which connotates the beginning or initiation of something fun, such as a party, club excursion, bar crawl, or the like.
Three people get into a cab on their way to a party. Prior to getting in, one of them says "Alright, let's do this!"
by aesthete April 26, 2004
Commonly said by uppity groups of people, but also those ready to fuck the dumb shit and just get down to business
A rival dance group is about to get f'in served. The other team boasts, "Let's do this."
by Madison April 21, 2004