An insincere blogger; hollow person; a Gobbledygook; blabber mouth; a person suffering from oral flatulence or oral piles. Also means a person who boasts too much without actually having done nothing while taking all the credit.
1. Sudhir Pande did nothing but took all the credit as he was a big fainku.
2. You do not expect much from a fainku in a team work.
3. Being a fainku, Sudhir took all the time of the group discussion giving others no chance to speak.
4. In a disaster managment workshop, inviting a fainku is a big disaster.