The word 'fricker' usually refers to an unpleasant or annoying person. There are many different synonyms for this word, which can be used to describe individuals who behave in a frustrating or irritating way. Some synonyms for 'fricker' include 'jerk', 'idiot', 'annoying person', 'troublemaker', 'pest', 'bother', 'pestilence', and 'pestiferous'. Other related terms might include 'nuisance', 'irritant', 'aggravator', 'troublemaker'. It's important to remember that these words are generally considered quite strong and negative, and should be used only when appropriate and with care. There are many situations where it might be better to try to resolve conflicts or frustrations in a more constructive and positive way, rather than resorting to name-calling or labeling.