It's the cousin of "tossin a salad". Instead of using your tongue to stimulate an anus, you use your eyelashes like a butterfly kiss. bananus
Sara was afraid if she blinked too much while the brown butterfly was in effect I would shit in her eye upon opening. I let her know I have control of my anus by letting a little fart out and taking a single eyelash with me as a keep sake forever.
by R2RO April 25, 2013
The young lady's subsequent bowel movement revealed a Brown Butterfly patten on the toilet tissue.
You're a goddamn brown butterfly!
You're a goddamn brown butterfly!
by Dnice456 April 23, 2017
When you have a bowel movement without cleaning risidual fecal matter and then surprise a person by spreading ones "butt cheaks" and "smooshing" it against a person
by dycky January 16, 2008
Brown Buterfly Kisses are the act of performing some kawaii butterfly kisses on the anal sphincter of the willing participant.
"Brian is so cute, He gave some really tender brown butterfly kisses last night to say cheers for me taking a load in the brown zone."
by NRE808 August 22, 2018
The act of rubbed your butt with another persons butt while being lathered with soap. Much like a butterfly kiss but with buttcheeks.
by Stoctopus March 16, 2021