This is slang from the UK although it is used in Australia as well and can be used in number ways:
1 To make a foolish statement;
2 To talk nonsense or rubbish;
3 To say something which is quite obviously false;
4 To exaggerate your abilities or knowledge of a subject;
5 To bluff or boast about something;
6 To be a self-aggrandising twat;
“Malcolm just tried out a total load of bollocks on me; I told him straight, you’re talking through your arse.”
A term to indicate someone's questioning of the validity of one aspect in a fictional story is in fact overshadowed by the absurdity of the story's basic premise.
A phrase first coined when one person loudly wondered how the ducks in a Donald Duck story managed to breathe under water without any visible breathing apparatus on their diving suit, and another replied "You know you're reading a story about talking ducks, right?"
Seb: "So how did they hide a physical object in a mirror's reflection in the first Harry Potter?"
Precedes or follows either a gratuitously disrespectful or honest remark, originated in New York City. Used in similar fashion to "no offense" or "to be honest," interchangeably.
Ya mans is wild buns, respectfully. Respectfully he's washed.
After school, The Modells on Jamaica Ave was active. Respectfully.