There is no definition of click-wrap agreement under Brazilian laws. When dealing with a click-wrap agreement, Brazilian jurists tend to use the term in English or "contrato (do tipo) clickwrap" or "acordo (do tipo) clickwrap", and they classify it as a type of telematic adhesion agreement, or, in Portuguese, "contrato de adesão telemático".
There are multiple definitions - click on the translation that matches your context.
a contract entered into by clicking on a button in a piece of software
User agrees to the terms of Fantele's' standard click-wrap agreement for Fantele's proprietary software.