look up any word, like dirty sanchez:
 
1.
When you are having anal sex and drinking eggnog and you spill the eggnog on your penis or strap-on dildo and then have your partner perform fellatio.
We were having anal and I spilled eggnog on my cock, so I made her blow me. She called it an Eggnog Brownie.
by Foksie December 14, 2011