Definitions by AsWeAre21
Dark
Used as a 21st Century word (in UK) as slang for the illegal drug Heroin; when being sold most usually via a 'send to all contacts' Pay As U Go burner mobile phone by bottom of the ladder gang members or in casual conversation between the 'drug dealer' and 'drug user' or habitual Heroin users...
Kiting
Particularly used in the 1980's/1990's in the UK (maybe decade before and/or after) - Using stolen/fraudulently acquired credit cards, cheque books and debit cards, etc, in order to obtain cash money from the 'victims' bank and/or using the cards to use fraudulently in shops in order to obtain (most often) high value items by 'false representation' (legal term) to (often) sell onwards for a lower price (usually half original price or less depending on circumstances) to a person/persons who may then potentially be involved in "receiving stolen goods" (legal term) if they're aware that the goods were obtained illegally.