Top definition
A very odd individual which wears glasses and survives on a diet of a popular tea-time snack of 'custard creams'. The 'Coopsey' will go about its day looking for tight and un-accessable spaces between two people to nest in. The 'Coopsey' will bring horror and hatred to those in the surrounding area by annoyingly pushing them aside when sitting down.
Jack: 'I hope that guy doesn't sit here, theres not enough room'
Jill: ' oh god, he's doing a coopsey!'.
by MayorOfLincoln57 January 06, 2011
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