Moobs are fatty deposits on a male's chest, which mimic female mammary glands. Moobs is derived from a shortened (combined) version of the term 'man boobs'. Commonly thought to be the result of the eating habits of fat hungry cnuts; however, some modern practictioners suggest that moobs have become commonplace due to the high exposure of the population to estrogen in modern living due to foods, pesticides and plastics. Moobs are generally considered unattractive, however, there are some members of society who are turned on by these hairy fun bags.
Chugger is a combination of the words charity and mugger. A charity mugger is a generally a student or young adult (paid) volunteer who aggressively asks you to fill in a questionnaire for their particular cause be it Concern, Greenpeace, Baby Seal Clubbers. Generally chuggers don't take no for an answer so it is better to never make eye contact with them and tell them to feck off if they even open their mouths. In the movie Airplane you can see an example of how to deal with chuggers effectively.