Sombong = Selfish ???

Amry , a about 200++ man come in our class with some reason. He had say something I would like you to know". . . saya dengar ada cikgu complaint kamu kelas 1 B very sombong , tau sombong tu apa? Sombong lah selfish..." OMG!!! He just said that sombong is selfish!!! Then what is the meaning of 'hidung tinggi' ????