to dry hump your parter until they aggree to put out. commonly used among young teenage boys on prom night. WARNING: alcohol may intensify the affects of humpstarting. use only under adult supervision.
i tried to humpstart my wife last night for 2 hours before she aggreed to let me get the buttcheese. THAT'LL LEARN HER!
by CAPPINSTABBIN October 17, 2011