shag weed

Shag Weed is a type of insult used to call other people (mainly girls) who are way more beautiful / handsome than the person speaking. It’s a way to cope with the feeling of insecurity and / or jealousy or with the large ego of oneself.

Girl A: That girl is such a shag weed.
Boy A: I think they’re just better than you.

Girl A: Whatever.