To have anal sex with someone. It evolved from people saying "B.F." (butt fuck), and it's where the B and F come from in the word.
You probably boof your sister.
by Mieumieu December 4, 2020

by DoggyDoggyDooDoo July 7, 2023

After sneeringer boofed the stinch of the words lingered in the air causing a mass panic and ships being abandoned exposing exposing a worthless existence.
by morethanyou123 October 4, 2018

by cocksucker:) April 21, 2019

Definitions :Guy with a big beer belly? -BOOOF
You see a big girl walking down the street?-Boof!
Cow?-BOOf
Fat cat?-Boof
huge thic muscle man?-BOof
You see a big girl walking down the street?-Boof!
Cow?-BOOf
Fat cat?-Boof
huge thic muscle man?-BOof
by DeeTor33 May 29, 2018

by Mr Kachows dream girl December 1, 2020

An abbreviation of "big oof".
by Neppy5000 October 14, 2018
