Green’s Dictionary of Slang

to get (something) ready, to prepare (something).

1984		D. Jenkins Life Its Ownself 78: In college, you had to tee it up every Saturday, and you’d better not lose.
1989		M. Amis London Fields 40: Keith came over this morning. I suppose he has to be teeing me up for a burglary.
2004		T. Winton ‘Long, Clear View’ in Turning (2005) 198: It’s been teed up, he says. This bloke’ll chop wood for you.
2023		D. Whish-Wilson I Am Already Dead 86: ‘She’ll call. I’ve already teed it up’.