1 kings 18:27, they were acting very rude in the name of the Lord, and God was happy with them
First, you misquote Scripture. Second, this is what the verse is actually saying:
And it came to pass at noon, that Elijah mocked them, and said,
"Cry aloud: for he is a god; either he is talking, or he is pursuing, or he is in a journey, or peradventure he sleepeth, and must be awaked." (1 Kings 18:27).
In other words, Elijah was mocking the priests of Baal to cry louder unto their false god who could not light their sacrifice with fire.
When David danced he was probably trashing around jumping, THE HORROR!
You said the word "probably." Meaning that you don't really know for sure that this is what David did.
And if you say God cannot accept someone who is violent or aggressive, i feel sorry for the people who are at war right now...
Yes, God used to send the Israelites into battle to destroy their enemies. But this is justice being executed and carried out by the Lord. Today, God has not directly spoken to any nation to go to war with anyone. Jesus said he that lives by the sword shall die by the sword. We are to pray for our enemies and to turn the other cheek if we are smitten. I feel sorry for the people at war right now, too. They are not at not at peace and love with God whereby they are engaging in the true war or spiritual battle that is unseen.
But going to war (under the direct orders of God), does not equate with worship. Nowhere do we see God approving of aggressive behavior that is not directly sanctioned by Him to eliminate an enemy. That's not the same thing as worship. God never told us to act aggressive, violent, and prideful in our worship and praise.
Or what about when God wrestled with Jacob, that is a violent sport, poor Jacob... He disobeyed God...
God wrestling with Jacob is not praise and worship. Jacob needed to yield to God's will. God is not going to be having wrestling matches with us in Heaven and or in the Eternal New Earth.