A Twitter felon. A person who's been suspended from Twitter because they're considered offensive or a threat to the establishment. Twiffenders are usually law abiding, patriotic American citizens who identify as Conservatives, Republicans, or Constitutionalists.
1. After being deemed a Twiffender John began using a backup account.
2. Once you've labeled a Twiffender it's nearly impossible to be reinstated on Twitter without a shadow.
3. After my last account was flagged I became a third degree Twiffender.
The nick name given to an Instrumentation Technician. The term Tiffy is derived from the Royal Navy designated tradesmanship "Instrument Artificer" Artificer later replaced with the term Technician in Petro-Chemical, Pharmaceutical and Oil & Gas Exploration and Production industries.
A group of Instrument techs are commonly referred to as Tiffy's" or "Tiffies".
Operations supervisor askes the Maintenance Supervisor... "Can you arrange for a tiffy to inspect the pressure reading instruments on the reactor column? They appear to be indicating incorrectly.
A light or lazy version of masturbation, where one is not intending to finish the job. Mindless manipulation of the genitals while being preoccupied with other non-sexual tasks, often not even resulting in arousal.