Named after MrP as he was the first member to do it regularly, Gaaaahhhhhh!!-ing is a practice adopted in response to certain mistakes by either members or quoted news sources, etc. What provokes a Gah depends on the member (see below). Sargon recognised the utility of the 'Gah!' to let off steam, and created a thread called “Gah! Central” so that everyone could express their feelings.

• Grocer's apostrophes (or should I say grocers apostrophe's)
• Referring simply to the 'past tense' in English
• General poor spelling or grammar
• Getting classical history wrong
• Getting the classification of warships wrong e.g. the BBC's penchant for referring to everything from a rowing boat to an oil tanker as a “battleship”.
• P is almost as disturbed by the BBC's parallel tendency to believe anything that moves on land, is vaguely armoured, and has soldiers in it is a “tank”, even if it is blatantly an APC or self-propelled artillery piece or whatever…

• Expressing views about India from a position of no knowledge
• Backdating Japanese Meiji-era power into prehistory
• Poor spelling or grammar, although Flocc corrects it in a teacherish fashion rather than Gahhing. For the sake of fairness, he only upbraids native Anglophones.

• People, usually Americans, making ignorant and inaccurate claims about the Celtic parts of the British Isles (see: Ridiculously Overpowered Ireland, Uber Cornwall, Scottish Aircraft Carriers)
• The BBC's coverage of science news stories (see: BBC System of Measurements)
• The Guardian
• Americans who think, for some bizarre reason, that British people have bad teeth
• People who have daft and overinflated ideas about certain areas of scientific research (e.g. nanotechnology, genetic engineering) from having read techno-thrillers and techwank military pulp
• People who quote very old, very notorious, very tired Monty Python sketches as though they were on telly for the first time last night and are enormously amusing.
• People (especially Britons!) getting the naming terminology of the UK/England/British Isles/Great Britain mixed up.

• People confusing “German” with “Germanic” (and also people who use poetic English synonyms for German such as “Teutonic”)
• People who disunite Germany on maps (under ANY circumstances)
• The Universal Colour Scheme (see: Susanoism)

• People ignorantly writing off Africa as an AIDS-ridden hellhole that would be better off under the Draka.

• Grocer's apostrophes - to the extent that he makes MrP seem positively tolerant of them.

• EA redefining the Red Alert series as a separate universe to the original Command&Conquer, and using 'Tiberium' rather than 'Tiberian' as an adjective, and lots more…

• People who think Romania is Slavic. Although he usually reacts to this by sarcastically playing along, rather than Gahhh-ing per se.

• People who keep forgeting to show Tenasserim as British in maps before and including World War II, despite the fact that Britain gained it 1826 after the First Anglo-Burmese War.
• People who keep using the word “then” instead of the word “than” when the later is more correct. (I'm looking at you, Scarecrow)

• People who think that the next land war in western Europe will break out any moment now.
• People who think that a new ice age will happen within 100 or even just 50 years, and that Europe will be covered by glaciers within a decade…

• People who abbreviate the Soviet Union as 'SU' rather than 'USSR'.