Rather than feigning, children can employ such positive options as obsessed with, really want, can't wait, etc. These are simple terms of appropriate age and without connotations which are dangerous. Making a child select such alternatives develops the vocabulary and avoids the confusion during an online conversation or in the classroom. With the knowledge of how to apply excitements in safe ways, children will be able to remain fashionable and expressive, without stumbling into the use of slangs which may sound rude and insensitive to others. Know more about fein meaning slang
Source: Saferloop