When you vomit out your mouth and ass at the same time, as a result of food poisoning or a night of heavy drinking.
Bro I was totally dual wielding last night. Major splash damage.
"Dual-wielding" describes the instance in which you are masturbating with one hand and holding your porn source (e.g. mobile device, laptop, magazine, etc.) in the other hand.
Person 1: Hey bro, can you help me with finding the milk?
Masturbator: Nah man, I'm dual-wielding. Gimme a couple seconds.
Person: Babe, can you hand me the toilet paper - I'm dual-wielding.
When you have to piss and shit and the same time.
Person1: I have to use the bathroom
Person2 : just go in that corner over there
Person1: no can do buckaroo, I’m rocking a python dual wield