An informal British way to say Birthday Party.
Bash meaning party, and bashment meaning a large party.
Bash meaning party, and bashment meaning a large party.
by KonTriByuTur July 27, 2021

The overly excessive amount of facebook notifications one receives on his/her birthday due to mainly people that person never talks to wishing them a happy birthday.
I was trying to creep on Courtney's profile, but she got birthday bashed and I didn't feel like scrolling through all of the wall posts
by Carl from Jimmy Neutron January 26, 2011

by Obcpanther February 07, 2023

by bnksns April 01, 2009

"Whose birthday is it? Oh neither of theirs, this is their birthday bash, the day directly in between Austin and Paul's birthdays"
by Fletcher420 March 28, 2020

The act during sexual intercourse, when right bfore the male climax he pulls out just before ejaculation. Proceeding to defocate on his partners face and then ejaculate on the feces. Therfor covering the shit with semen looking like a birthday cake or a plethora of other things.
Person 1 = "Hey man totally pulled a fake out when i birthday bashed Lindsey!"
Person 2 = "Radical!!!"
Person 2 = "Radical!!!"
by Demolition Man June 24, 2010

by da_jew April 23, 2017
