1:Incredibly enthusiastic, zealous and dedicated
Use of Mandarin expression g¨ngh¨¦ (to work together) or g¨ngy¨¨h¨¦zu¨°sh¨¨, the Chinese Industrial Cooperative Society. Originally used during WWII by US Marines Lt.Col. Evans F. Carlson to describe the enthusiasm and dedication of the Chinese soldiers and to encourage his batallion (Second Raider Batallion) to have the same attitude towards their wartime duties.
2:Used to describe someone who is overly enthusiastic on the topic of war
1: Joe is gung-ho about legalising marajuana in his country.
2: George W. Bush is GUNG-HO in his attitudes toward the Iraq war
to be gungho. meaning to be so psyched out for war. a mentality,thinking you are bullet-proof. your so hyped up and pumped so much. you can't wait to rush in and attack with your fellow soldiers.
"Man.. I was so gungho I ran home telling my mom that I was going to war in Nam like it was a vacation".