1)When a husband kills his wife
2) When someone kills a wireless internet connection
3) When someones stops an something from smelling.
Officer Dan: Look at the bloody footprints leading away from the murder, this is a clear cut case of wificide.
Mike: Haha if that bitch(his wife) ever forgets my laundry again and I have to go to work in dirty clothes, a wificide is going to happen at 93 mirk st.(his address).
Chris: Fucking Damn Hackers commiting wificide on my network, they will pay for this
Matt: haha, I commited wificide on chris's network, I bet that bitch is mad as hell!
Sam: Damn that toliet stinks, someone get out the wificide