wifi sniffer 

A hacker who steals another wifi connection.

Those without firewalls should not have wifis.

wifi sniffer by Bob Zajdel March 5, 2004

wifesniffer 

Word to describe a husband who can't stop smelling his wife because she has such a unique and wonderful scent.

Man, look at that guy over there, he's such a wifesniffer!

wifesniffer by Sniffer2014 February 4, 2014