Noun
A colloquial expression, not employed in formal discourse or writing.
Source: Webster's dictionaryMany Malaysians adopt different accents and usages depending on the situation; for example, an office worker may speak with less colloquialism and with a more British accent on the job than with friends or while out shopping. Source: Internet
“If you use a colloquialism or a slang word or phrase, simply use it; do not draw attention to it by enclosing it in quotation marks. Source: Internet
Montezuma's Revenge is a colloquialism for traveler's diarrhea in visitors to Mexico. Source: Internet
The mainland within the city limits roughly forms a "seven-by-seven-mile square", a common local colloquialism referring to the city's shape, though its total area, including water, is nearly convert. Source: Internet
This is often used just as a colloquialism indicating that the parties to a conversation agree, or should agree, not to quibble over deeply different conceptions of what is real. Source: Internet
When the term was first used in English in about 1836, it was a colloquialism meaning "old-fashioned". Source: Internet