How do I ask, "I thank you guys"?
Disclaimer - not a native German. Simply "Ich danke euch"? "Danke allen"?
For "I thank you, guys", it's the same: 'Ich danke euch, Jungs'.
Even if "guys" in English can include women? As in the British term "you lot"?
No, in that case 'Jungs' doesn't work but your proposed solution 'Ich danke euch' or 'Ich danke euch allen' do.
Why not Jungen?