1. To completely screw someone over in a business deal.
2. To make great promises to a
customer and then deliver subpar
work.
3. To pretend to be faithful to your
spouse and then cheat on her mulitple times.
"Rod, you were supposed to split the retail profits with me 50-50! Don't Helmick me!"
"Rod, why are you charging me for this consultant
work that was entirely lousy? Are you trying to Helmick me?!"
"Rod, are you really doing your
marriage any good by having sex with hookers in
New York, while your wife is home taking care of the kids? You shouldn't Helmick her!"