Green’s Dictionary of Slang

poolroom phr.

In phrases

[a running joke in the movie The Castle (1997); refers to a room in which is a pool table, often used to display family trophies, awards, etc.] straight to the poolroom

the destination of an item that one cherishes.

1997		S. Cilauro et al. The Castle [movie script] Darryl Kerrigan: This is going straight to the pool room.
2002		Chaser (Sydney) 7 June 18/1: Tempe Tip claims lineage with The Castle but it’s not the sort of film that will go straight to the pool room. It’s certainly in the tradition of Straight to Video though.
2009		Air Force (RAAF) 30 Apr. 12/2: ‘[T]o be nominated as the best military working dog team is something you can be really proud of and stick in the pool room’.
2014		P. Budeja Aussie Talk 22: Straight to the pool room: A highly-prized item that should be on display for all to se.
2018		J. Prascevic Retuned Soldier [ebook] [T]he magazine, along with [...] Modern Boating Magazine and Fishing World Magazine, which also had stories in them about my trip, were going straight to the pool room.