Verb; To rich-up something; to make wealthier.
My stock broker billgatesed me but good with that latest tip.
n. A devious act whereby a tradesman etc deliberately includes flaws in his work, thereby guaranteeing that you will call him back sometime in the future to fix them.
One of our radiators is broken! But our central heating system was fixed six months ago. I reckon the plumber pulled a billgates on us!