Something potentially very dangerous or likely to fail.

(Internet slang, humorous) Used to request a picture of a reported event, especially on an Internet forum. / (Internet slang, humorous) Used to demand verifiable evidence for a statement.

In a nonchalant manner, by ignoring the existence of a past event and pretending that nothing abnormal had occurred.

(slang, humorous) To try to make something catch on.

Alternative form of pics or it didn't happen

Alternative form of what happens on tour stays on tour

When a group of people (usually a group of all-male close friends) get together and travel, go on vacation, throw a party, etc., all conduct engaged in during the event must be kept strictly confidential.

Synonym of what happens on tour stays on tour

Things are not as bad as they seem.

Accidents will always happen, even where there is an expectation of success.