When someone male or female looks sweaty, hairy, looks like they possibly shit their pants and sat down on that poop while wearing pants.
"Dude that girl is a total smush-bush!"

"That hair guy looks like he shit his pants and sat down! What's the word for that? Oh never mind it's a smush-bush!"
by HotManPants4000 April 8, 2016
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When a girl with a bush sits on your face. The opposite of a mustache ride.
My girl totally bush smushed me last night. It tickled my lip at first but once I got through the weeds the juices started flowing.
by Snapiboi21 April 4, 2021
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A term defining sexual intercourse specifically between two or more lesbian partners.
"Hey Janet, how'd your date go last night? Did you two do the Butch Bush Smush?
by GrungeBob July 20, 2022
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