To lead someone into having sex with you and then leave immediately after and never communicate or be associated with them again as if they never exsisted. Can also be abbreviated to S&L.
"Girl, remember the boy I met the other week, yeah well he full did a smash and lash on me."
by wan2thedon23 June 28, 2017
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a vague reference to an undefined sexual act.

Most likely to be a euphemism for masturbation.

Can also be used as 'smashing the pasty.' (To be in the act of.)
"I've just smashed the pasty on her face"
by _linzi December 12, 2011
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When you want to eat chicken and smash
"Hey girl wanna chicken smash?"
by JkSarge March 20, 2017
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The action of kicking someone in the balls while he is pissing.
Jayden got a golden fruit smash at the party last night for pissing on a couch.
by DissentOfMan July 19, 2011
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When an persons body part such as a asshole or vagina becomes sexually traumed, or abused and overused.
Last night Max smashed in Marks asshole
by Gemzdee July 22, 2020
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used only raining while it have been dropping so on then stop it suddenly and then it become big raindrops soon force silly
I hate f*ck of this rainy , Go some Go smashed. made me soaked !
by K'ev August 15, 2011
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Referring to sexual relations with four people using the word "smash" meaning sex. Usually two guys and two girls but if the guy is super lucky, one guy and three girls. Three dudes and one girl is just too much dick.
Dude we need to plan out this quad-smash cause it's going to be pretty intense.
by Boss919 May 30, 2010
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