A Vietnamese Vampire is when you give oral sex to a menstruating woman and drink the blood.
"Bro did you hear about Jimmy and Susie?"

"Nah what happened?"
"Well I heard that Jimmy Vietnamese Vampired Susie after that party last week."
by $horty Guapo August 18, 2019
Get the Vietnamese Vampire mug.
When you nut in a guys dickhole and slap his ass simultaneously while in a tree.
Yeah dude, last night was wild, I gave my boyfriend a Vietnamese flashbang.
by chegwardthefifth June 23, 2022
Get the Vietnamese flashbang mug.
The act of urinating into an individual's mouth, and having the urine flow down their naked body.
"Bro it would be really hot if we did the vietnamese river".

"Ok let me get naked and open my mouth".
by The Cock Guzzler December 10, 2021
Get the Vietnamese River mug.