Top definition
literally "unterseeboot" or German for "Under water boat"
by IrishRepublicanArmy December 21, 2003
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2
this is the name of drink, mostly use in poland. put short-drink (wet) of vodka into your glass of beer and drink it all in very short time
-o man. i'm so drunk! i've drink 5 u-boat's in 20min!
by qwertyswertly December 29, 2005
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3
a submarine used in world war one and two
"omg the uboat is coming"
by Taylor Hewitt October 26, 2004
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4
A long and sturdy albeit plastic turd that bends in a U plugging the toilet when the moment off truth arrives.
Man I had to swab the deck after U-boat 7:17 left the dock.
by delmarskd! October 20, 2011
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5
When a man sneaks up on his girlfriend or wife while she is sleeping and puts it in her butt.
While Emma slept, Gary snuck under the covers and gave her the... u-boat.
by The Blodger October 27, 2011
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6
Large continuous dump shaped like a German WW2 submarine. Usually occurs the morning after a night of numerous beers followed by a curry
"Why were you taking so long in the bathroom?", "Jesus love take it easy, i just sunk a u-boat"
by Jimmy Somerville March 07, 2008
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7
a term used to describe a piece of crap floating in the bathtub
John: Dude, she just made a u-boat!

synonyms: submarine , floatin' mocha , hershey , baby bauble , "accident"
by Peter Hirsch May 22, 2007
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