its the bit that likes to hang around between a blokes legs, between his balls and his bellybutton, unless he's weird and deformed in case you should probably stop looking.. or asking for that matter. freak.
Cyril nearly knocked Wendy out with his luncheon truncheon as they ran naked through the field...
by Tom C, Rich W, and Suzi S April 21, 2004
Get a luncheon truncheon mug for your barber Vivek.

Means a phallus. With attention drawn to meatiness, fleshiness and edibility. big giant squishy willy... oh yeah

Used by Jamie Theakston (he IS a celebrity, just a lame one).
"...and lo he drew forth his luncheon meat truncheon and jabbed at the gushing slot..."
by Octopusswah June 28, 2006
Get a Luncheon Meat Truncheon mug for your Aunt Nathalie.
The male genetalia - the penis.
Also see schlong, wang, cock, spam javelin, knob, dick, lad.
All of a sudden, jamie whipped out his luncheon meat truncheon and started spanking it.
by YOREMA July 10, 2003
Get the luncheon meat truncheon neck gaiter and mug.