It's full form is BHOSDIKE. It is made up of two words one is "BHOSDI" which means "whore" and the other one is "KE" which means someone related to that person. So bhosdike means husband of a whore. It's an abusive word. But is also used in a friendly manner between friends or when said with a smile. You can see full detail of BSDK, full forms of BSDK, and the full detail of BSDK in the table given below.
|Bas Sab Dua Kro||General||BSDK|
|Boht Saaf Dil Ke||General||BSDK|
|BioLink Software Development Kit||Technology||BSDK|
|Board Software Development Kit||Technology||BSDK|
|Board Support Development Kit||Community||BSDK|
|Blind Spot Detection Kit||Miscellaneous||BSDK|