the emotional ingredient present during increasingly silly attempts to get attention from someone who does not want to engage.
Sweetie, your pestosterone level is a little high today. Can't you see I'm busy?
by amy spiller July 13, 2004
1 more definition
A male who thinks he's all that and continues to pursue a female even when she shows no interest in him.
Man that dude has way to much Pestosterone for me. He just won't leave me alone!
by NAWTYDAWG November 15, 2012