Half Man Half Biscuit - Mathematically Safe lyrics

May morning, hanging round a trapdoor Saw a girl like I've never seen before I wanna make her mathematically safe Wanna keep her mathematically safe Take her up where we're mathematically safe Gonna wake up mathematically safe Mid table there's nothing much on my fork It's alright though ‘cos I can go for my walk Around Cartmel, mathematically safe With no alarm bell, we're mathematically safe On a lilo, in a sea of alright I'm a mongrel and I just won a dog fight