To spend late evenings in a cosy cafe or coffeehouse with ambient music--notably adult alternative music. From the lyrics of Snow Patrol's 2007 song "Shut Your Eyes," a tune that epitomizes the mellow, late-night vibe.
The act of inhaling nitrous oxide. refers to the often described color brick like hallucinations that are experienced when nitrous oxide or "laughing gas" is inhaled, usually from a cannister of whip-its whipping cream despenser.
If you wanna "spin your bricks" go talk to the bloke in the clown suit over there with all the balloons.