Lyric discussion by ourkidof91 

Cover art for Tomblands lyrics by Libertines, The

i thought 'fifteen holes in the dealers chest' was as in a drug dealer was shot dead?

Martell is brand of whisky so a mini martell would be a glass of whiskey in the pub 'pieces of eight in the jukebox' his drug money which he used to play a tune on the juke box in the pub

but i could be wrong thats just what i make of it