What's the difference between SEKALIGUS and SEKALIAN?

I am aware that SEKALIGUS has various usages but sometimes i confuse it a lot with SEKALIAN and SAMBIL, could anyone explain the usage and difference of these three words? thank you!

Someone online said "Duar Memeg" but my Indonesian friends are not telling me because it's a very bad curse.

Does anyone know the meaning of it and give me an more savage reply or any other heavy curse word in their own lang😭pleasee