When an asian person is throwing up because they can't handle their booze.
Chung-Ching, everytime we go out you're always tonging!
by Anon January 28, 2004
1 more definition
Being Chinese and throwing all over the back of a public bus and then flicking the chunks off of your shirt onto bus patrons.
I tonged like 40 times last night
by Graham January 19, 2004