le'me break it down for y'all. it goes like 'lick' to the 'ety' (being the end of betty, your mum) 'splik' you can all pronounce that with me now? s-p-l-i-k and then 'ed' (being your broke ass dad, he lent it to me last night oh his ass is so tight)
it means feckin sweet ass man!
'ur mums is licketyspliked'
yeah i said 'ur mums' get over it jesus!