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 typical MAMIL is over the age of 35 and paid enough to afford the expensive brands favoured by their tribe.’
    • ‘Whether you are a weekend MAMIL (Middle-aged man in Lycra), young or elderly, cycling seems to have had an explosion of popularity recently.’
    • ‘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.’
    • ‘Stick a mamil on the Propel and I bet it's no longer the slickest bike on the road.’
    • ‘If you can't beat a MAMIL (Middle Aged Man In Lycra), you've got a problem.’
    • ‘As a potential mamil in gestation, he'll need something racy.’
    • ‘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.’
    • ‘Even the MAMILs themselves know nothing about these signs.’
    • ‘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).’
    • ‘The Mamil also spends hours trawling the internet for fancy cycling accessories.’

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/