Provoking someone or something. From going to the zoo and slapping the glass of the cobra cage to see if it will put its hood up and spit. Example: Every time I see that 20-year old twit, Amber, I feel like slapping the cobra.
SLAPPING THE COBRA
Meaning of SLAPPING THE COBRA in English
Slang English vocab. Английский сленговый словарь. 2012