I usually sign it as “Let’s paint the town red (I have no idea what the actual sign is. That’s just my schema) or lets adventure.
I know the sign you’re talking about. And yes, it should be that. Most often it’s not. It’s WORLD FIRE. Or, if we’re really lucky, WORLD STRIKE-MATCH FIRE. lolz. Silly people. ASL is conceptual, and that’s a metaphor, not a suggestion.