A 'messy follow through',
generally screwing up at the last minute//
often used in terms of sport (such as missing an open goal and similar).
derived from the marathon where Paula Radcliffe had to relieve herself.
The 'Paula Radcliffe' example:
Sam and Danny are watching a hockey match, where Max misses an open goal;
'That was a Paula Radcliffe mate! Owned!'
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