What is Bullnut?
1.
Refering to the chemical Taurine (bull testosterone.), in most of energy drinks (like Red Bull, Bull?! ehh ehh), but mostly refering to Monster energy drink.
"You gonna pop open that bullnut, or waaat man?!"
"Can we drop by tha 7-11 to get some bullnut?"
"Duuuuude, im so tired, i think i need myself a bullnut!"
See
2.
A person of Mexican decent.
That taco bender is such a bullnut.
See