Sources: the Tanakh and the Talmud; answered in English in the Essay style.

The provided sources do not address the question "What is the most goy?" in any meaningful way. The word "goy" (גוי), meaning a non-Israelite nation or individual, does not appear in any of the source passages supplied. The sources deal with unrelated topics — grasshopper anatomy, ḥalitza procedure, offerings of the most sacred order, grape must (also rendered "Most" in the German-language Talmud passages), and similar matters. None of them rank, compare, or define what is "most goy" in any halakhic, aggadic, or exegetical framework. The closest the sources come to a comparative sociological observation is the passage from the Jerusalem Talmud Kiddushin, which offers a typology of occupational character traits, but it says nothing about non-Jews or Gentile identity.

Because none of the supplied sources address this question, a sourced study cannot responsibly be constructed from them. Filling the gap with references from memory would violate the terms of this study. The honest answer, based solely on the materials provided, is: these sources do not speak to the question asked.

References

1. Judges.5:24
2. Ezekiel.30:7
3. Nehemiah.7:2
4. Jerusalem Talmud Kiddushin.4:11:7
5. Yoma.76b:3
6. Chullin.65a:7
7. Yevamot.102a:18
8. Bekhorot.54a:1
9. Shabbat.137b:2
10. Yoma.76b:4
11. Shabbat.20b:1
12. Yevamot.102a:17
13. Gittin.70a:12
14. Yevamot.71b:18
15. Jerusalem Talmud Niddah.3:5:4
16. Yoma.76b:6
17. Nazir.44a:1
18. Yoma.76b:5
19. Zevachim.53b:3
20. Jerusalem Talmud Avodah Zarah.5:11:1
21. Jerusalem Talmud Sotah.3:7:5
22. Sotah.23b:5
23. Jerusalem Talmud Ketubot.4:8:2
24. Kiddushin.69b:15
25. Niddah.28a:14