Definitions by RobW.

BoilerUp 

Taking a huge, fat, hot, steamy shit.

After a night of drinking and eating taco bell Steve went back to his place to boilerUp.

BoilerUp by RobW. July 28, 2008

Boiler-Up 

Taking a fat, hot steamy dump.

After a night of drinking and eating taco bell Steve went back to his place to boiler-up.

Boiler-Up by RobW. February 20, 2006