毕竟我在逗比班
[bì jìng wŏ zài dòu bĭ bān]
'Dou Bi' here means being silly or funny. This implies that they belong to a class full of silly or interesting friends which might make them feel relaxed and natural. Such internet name reflects a lively atmosphere within a group, often with good humor and no burden, showing a person's optimism in their living or working/studying circumstances.