Top Definition
Life jacket worn by aircrew during WW2 which when inflated gave the wearer a similar appearance to an actress of that name renowned for the size of her boobs.
Inflatable yellow life jacket
by TimB June 05, 2005
May west means Best or very best.
Want to rob a church?
That idea wasn't your may west was it?
(That idea wasn't your very best was it?)
by Michéal O B May 16, 2008
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