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10.
A drunk. One who drinks a lot.
Jim is a sapper, he drinks all day.
by unsonny December 26, 2005
 
1.
Sapper is a light Army combat engineer, who has mastered the art of patrolling, demolition, and other light fighting commando style tactics. Sappers are bad ass and are equal to, if not better then Rangers. Sappers are often attached to infantry groups or Ranger operations to provide engineer expertise in demolition, booby traps and reconnaissance.
sappers in the breach

"We need that bridge blown."
"Send in the sappers."

"That house is full of booby traps."
"We need a sapper to clear it."
by blindfaith814 April 25, 2007
 
2.
Official. A Soldier, Highly trained in Modern Combat Warfare capable of fighting as an Infantry Soldier, with the added responsibility of the disposal of Explosive Ordinance Devices (EOD), Minefield Laying/Clearance, Defensive Protection, Installing and Removing Bobby Traps, Removal of Improvised Explosive Devices (IED), Bridge Building, and Construction. They are deployed with and Special Operations, Peacekeeping, Civil Emergencies.

Unofficial. The dude who blows shit up, The dude at the front, The One that's got "Follow Me" on the back of his shirt, The dude you don't want to fuck with.
Follow The Sapper,
And on the 6 day God said, "they need someone to follow", So he made The SAPPER.
by Sapper Sid October 07, 2013
 
3.
(slang) A word used to describe a person that doesn't like to see others get ahead, so they will try to prevent them from doing so.
My mom knows I'm trying to lose weight, but she went ahead and bought ice cream and Oreos anyway. What a sapper!
by PseudonymThePetBird July 12, 2014
 
4.
sweet little dudes from Warcraft 2.
Bombs Are Great!
by eL April 08, 2004
 
5.
A term used for one who collects sap from trees
Carla apparently does not have what it takes to become a sapper.
by Sasquatch the sapper January 30, 2011
 
6.
One who collects sap from trees in the Canadian forests.
Carla apparently does not have what it takes to become a sapper
by Sasquatch the sapper February 01, 2011
 
7.
The lowest rank in the Royal Engineers. Also used to describe any member of the Royal Engineers regardless of rank.
He is a sapper and as such is a God among men.
by 2520 February 13, 2006