a brief pleasure; a brief sex session [colloquial]
Definitions (粵典–words.hk)
形容詞
指事情持續時間太短而掃興；原為形容毒品份量少，令享受時間太短 feeling disappointed because of the time of duration is too short; originally means the drug quantity is too little, the enjoyable time is so short. Literally: short addiction
乜套劇今季咁短癮架，播得果幾集又要人等幾個月。
乜套剧今季咁短瘾架，播得果几集又要人等几个月。
why this drama series is so disappointingly short this season, it stops playing after a few episodes and lets everyone wait months for new ones.
形容詞
引伸指政策措施效力唔強、只有短期刺激作用 figuratively, the policy effect is not strong, only have short term stimulation
今次政府救市政策恐怕都幾短癮，刺激效力有限
今次政府救市政策恐怕都几短瘾，刺激效力有限
The government financial rescue plan this time seems only is a short term policy, the stimulation effect is really limited.
近義詞
吊癮
Examples (粵典–words.hk)
Cantonese
乜套剧今季咁短瘾架，播得果几集又要人等几个月。
乜套劇今季咁短癮架，播得果幾集又要人等幾個月。
why this drama series is so disappointingly short this season, it stops playing after a few episodes and lets everyone wait months for new ones.
Cantonese
今次政府救市政策恐怕都几短瘾，刺激效力有限
今次政府救市政策恐怕都幾短癮，刺激效力有限
The government financial rescue plan this time seems only is a short term policy, the stimulation effect is really limited.