Back in 'Nam 

It's an expression used by Vietnam Vets - A short form of Vietnam

Ernie: How was it, Back in 'Nam
Bert: *Stares into the void* *Explosions in his mind* Oh god! NOT AGAIN! THE TREES!!! HUZZAHHHH

Back in 'Nam by Wiener Cocktail May 2, 2019

back in nam 

a phrase attached to something you said happened in the past.

I got punched in the head by a magician,back in nam.
back in nam it was illegal to ride llamas.

back in nam by Pinata September 23, 2008

Back in Nam 

Use this term after describing something you used to do, or before you describe something that happened to you. The phrase can be said just by itself if in the right context, to mean "Oh yeah we used to do that all the time"

"Hey remember when we used to always play poker on Wednesdays?" "Dude, Back in Nam"

"Back in Nam, I got raped by a sea monkey"

Back in Nam by Kid HAM August 17, 2012

back in nam 

Used to describe something that has happened in the past
Derived from the phrase "back in vietnam"

I used to jack off all the time back in nam.

back in nam by cornerboyfrank January 1, 2019

Back in Nam 

Back in the day, way back when, a long time ago

"I used to cut trees"
"When? Back in Nam?"

Back in Nam by Timmdogg2055 October 9, 2023

We lost him back in 'nam

The response given when you are asked where someone is, but don't know the answer. Could be said with a twinge of guilt and sadness for extra effect.

We lost him back in 'nam..

We lost him back in 'nam by CptROFL August 19, 2010