The act of going into a mode that is normally not obtainable by the average person.
1. Often used in running to tell your team mates that you are about to "rock this shit"
2. Can be used when drinking copious amounts of alcohol. When said you must began to finish whatever is in your glass/ cup/ bottle
1. "Shit man, this jv xc race is making me tried I better go into pro-mode"
2. Random person yells "pro-mode" everyone tries to finish their drinks