Usually used in place of 'secret' when enquiring someone about their sex life, their recipies, their smooth hair, their popularity et cetera.
b: solid fuel, you dumbass
Bulangiu, which is generally translated as "faggot", is used of a man who doesn't want to do something that he should do. It is a harsher equivalent of "slacker". There are many other words referring pejoratively to male homosexuals, but those discussed here are generally the most common.
2.x- Hai cu mine până la mall
y- N-am chef
x- Eşti bulangiu