'splendid innit' (see definition of innit)
an evolution of the word innit developed in the Swale/Medway region of Kent (south-east England)
"Weatherspoons has just dropped the price of Fosters"
please note: Unlike the word 'innit', 'splinnit' cannot be followed up by itself, it must instead be followed by 'innit'
"Have you seen my new sound system? Splinnit"