When a guy takes a shit in another guys mouth. Usually performed by homosexual males but others can perform this sexual act too.
Jake: "Yeah honestly I was surprised when Chad asked me to give him a boom boom but I am down for anything."
Jeff: "That's GNARLY man!!!"
Jeff: "That's GNARLY man!!!"
by beefysteak July 11, 2020
why you boom boom in our yard
by buttholebutthole October 21, 2019
by laughatthislol February 27, 2019
by Ahumi September 13, 2021
by failure.exe January 25, 2023
tyler: yoo did you see that girl i pulled last night
jake: yeah bro, do you have to date her now??
tyler: nah man i just did the ol’ boom boom chao
jake: dam bro, thats how it be sometimes
jake: yeah bro, do you have to date her now??
tyler: nah man i just did the ol’ boom boom chao
jake: dam bro, thats how it be sometimes
by smooth hitter January 13, 2021