đu càng

Etymology
🇰🇲. This phrase invokes images of the Vietnam War — of soldiers who hitched onto the side of military helicopters, and of those who tried to evacuate during the Fall of Saigon by "swinging" and "clawing" onto retreating American helicopters.

Verb

 * 1)  to dead hang; to swing with one's arms
 * 2)  to collaborate treasonously with the opposing forces

Adjective

 * 1)  of refugees who emigrated from Vietnam during and after the Vietnam War