look up any word, like guncle:
 
1.
literally "unterseeboot" or German for "Under water boat"
OK, It's a German submarine.
by IrishRepublicanArmy December 21, 2003
 
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
 
3.
a submarine used in world war one and two
"omg the uboat is coming"
by Taylor Hewitt October 26, 2004
 
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
 
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
 
6.
to go smoke some cigs
person A: "hey man, you wanna go Uboat?"
person B: "sure dude, i need a doog something fierce"
by sauve8392 June 12, 2009
 
7.
A lady's undercarriage - from vagina all the way under to buttocks.
Hannah, are you wearing a onesie?' - 'Hell yeah, dawg. It covers my whole U-boat.
by fujibo September 03, 2010