Top Definition
This is when a male decides that after one year of being with his current partner, to celebrate that fact, on their anniversary he will enter into the practice of anal sex for the firt time with his partner!!!!!!
#1. Alrite frank you've been going out with gurtrude for a while now!!!

#2. Yer a year tomorow!!!!:O

#1. What ya getting her?

#2. Got her some flowers an some chocolate!!!

#1. Is it going to be your browniversary aswell cliff?!!!

#2. Damn rite!!! Ya have to!!!
by legsofkentdale November 16, 2006
5 Words related to Browniversary

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