Definition of MAMIL in English:

MAMIL

(also Mamil)

noun

British
informal
  • A middle-aged man who is a very keen road cyclist, typically one who rides an expensive bike and wears the type of clothing associated with professional cyclists:

    ‘he spends his weekend mornings cycling with other MAMILs’
    ‘this is as close to a professional peloton as any MAMIL will ever get’
    • ‘The Mamil also spends hours trawling the internet for fancy cycling accessories.’
    • ‘It was a bike raced by Tour teams but balanced and comfortable enough to get the most hamfisted MAMIL to the end of a sportive feeling like a pro.’
    • ‘Stick a mamil on the Propel and I bet it's no longer the slickest bike on the road.’
    • ‘Whether you are a weekend MAMIL (Middle-aged man in Lycra), young or elderly, cycling seems to have had an explosion of popularity recently.’
    • ‘If you can't beat a MAMIL (Middle Aged Man In Lycra), you've got a problem.’
    • ‘Even the MAMILs themselves know nothing about these signs.’
    • ‘The typical MAMIL is over the age of 35 and paid enough to afford the expensive brands favoured by their tribe.’
    • ‘As a potential mamil in gestation, he'll need something racy.’
    • ‘The captain of the White Hunter Cricket Club, my brother-in-law, my next door neighbour Murph - all have joined the ranks of MAMILs (middle aged men in Lycra).’
    • ‘With the increasing popularity of bike riding, and in particular the rise of the "Mamil" (middle aged man in Lycra), corporate cycling is now a serious business.’

Origin

Early 21st century: acronym from middle-aged man in Lycra (from the proprietary name for a type of fabric or fibre used to make close-fitting sportswear); the term was apparently first used in Australia with reference to a particular type of male swimmer.

Pronunciation

MAMIL

/ˈmamɪl/