1. a coined variation of up the creek without a paddle, an
American expression meaning in an awkward or embarrassing
situation; in
dire trouble or difficulty. 2. (
send up the river) to
send to prison, deriving from
New York State's famous prison,
Sing Sing, being located up the Hudson River from
New York City,
New York, USA.
(slang) a variation of up the creek without a paddle, in serious difficulty; very unfortunate; ruined.