1) A candle that could be held in ones arse - normally for some odd sexual fantasy involving melted wax
2) A candle stuck in someones arse to factilitate the lighting of said persons fart
3) The most common use of ass candle - An insult for some idiotic person who needs a right good putting down much like "douche bag", 'ass candle' is one of the greatest put downs
1) *dominatrix*: "ooh yer baby i love that ass candle"
*Guy*: "Glad u like but fuck me this shit burns u freak show"
2)*Guy 1*: "Man lucky u used that ass candle that blower would have emptied the whole place"
*Guy 2*: "Haha yer shit my trousers are on fire"
3)*man crashes car into another mans bentley*
"OH U FUCKING ASS CANDLE!!!"