突っ張る

What does 突っ張る mean in English?

1. to cramp up; to tighten; to stiffen(v5r, vi)
2. to be insistent; to persist (in one's opinion); to stick to one's guns(v5r, vi)
3. to act tough; to bluff; to be defiant; to be unruly(v5r, vi)
4. to prop up (e.g. with a post); to support(v5r, vt)
5. to push out (one's legs or arms); to stretch (e.g. an arm against the wall); to press(v5r, vt)
6. to thrust (one's opponent)(v5r, vt)