buy wolf ticket
buy (a/one's) wolf ticket
To challenge or respond hostilely to one's threats of violence or menacing, boastful words. Don't buy his wolf ticket—I know for a fact that he carries a knife and would be all too happy to put it to use.
buy someone's wolf ticket
Sl. to challenge someone's boast or taunt. He wants me to buy his wolf ticket bad. He's such a fighter. He'll buy anybody's wolf ticket.