取っ付く

What does 取っ付く mean in English?

1. to cling to; to hold on to; to hold fast to(v5k, vi)
2. to set about doing; to begin; to commence; to undertake(v5k, vi)
3. to take hold of; to possess; to haunt(v5k, vi)
4. to approach (a person); to deal with (someone)(v5k, vi)