This type of person is commonly referred to as a “bong” or a “bong murali”.
Sometimes also called a “bwang” by overfriendly people.
How’s it going bong.
Full alle bong Murali.
Bwang bwang bwang.
A bong or bwang is someone who keeps bonging all the time.
He may rarely be referred to as an “Abhinand” but no one really understands what they mean.