bumfreezer

plural bumfreezers

1. slangAn Eton jacket or other similar short jacket.

   Smaller boys wore short Eton jackets, known as bumfreezers

   2012, Anne de Courcy, Snowdon: The Biography

   1 more example

   Seated at table, eating delicious food brought by European migrant waiters in red bumfreezers, I felt that we were all making a very game pretence of reconstructing Europe.

   1965, Peter Black, The Poms in the Sun

   Synonyms: bumfreezer jacket