You see, what's genius about it is that in the use of the word "we" it definetely makes you sound like a couple - "hang out" makes it sound a whole lot more casual - and "sometime" makes it open and not too rushed. Also worth note is the fact that it's not a yes or no question, it's an opinion - and you can't say no to an opinion!
The pickup line was invented - or at least popularized - by Josh Sundquist, who is an awesome YouTuber. OF AWESOME.
Less serious than getting together or dating. Spending time with someone in the context of friendship or in the context of casually exploring whether you like someone as just a friend or maybe more than a friend.
A phrase that one says when they truly do not have any intentions of hanging out with the person. One will say this and the other will usually agree, and most times neither of them will try and make plans with the other, resulting in the repetition of this phrase in the future.
Distant Friend 1: "Hey, long time no talk! Let's hang out soon! I miss you!"
Distant Friend 2: "Oh yeah, definitely! Call me sometime!
- 2 months later -
Distant Friend 2: "Hey man, we still haven't hung out. What's up with that?"
Distant Friend 1: "Oh I know, let's hang out soon!"