A British term to describe that something is good or went well; derived from Irish immigrants term: "Is maith sinn" or "'s maith sinn", pronounced: "Is mah shin" or "Smah shin", meaning: "that is good"
That party was smashing
by NoodleFishMonkey February 11, 2009
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to have sex, sexual relations any sexual manner, to fuck
We been together for 2 days now when you going to let me SMASH?

Man! I went in there at 6 I didn't leave til' 10 I was SMASHING all night.
by Rickey G December 14, 2003
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The Act of Playing Super Smash Bro's on the Wii or GameCube with friends.
Bro you wanna Smash today?

Yea Bro totally lets see who else wants to Smash.
by BrokenXVII June 09, 2011
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this is when you and a woman/man have sex
so matt, did you smash with alex this weekend?
by eug-unit May 24, 2005
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beat it/someone; "go fot it ", win, achieve something good and a lot more than you expected; shit all over a low score (in a positive way); became a legend in your own lunchtime; beat your personal best (PB) in gym terms
I will smsh it if I deadlift 200kg; I am going to smash my dad in the cycling race; good luck mate - smash it!!!
by hellC January 18, 2015
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An english phrase used to describe something "excellent" or "awesome"
Englishman: That is smashing!
Woman: haha! cute word! what does it mean?
Englishman: Smashing...
Woman: I still dont get it...
Englishman: It means...smashing
by James Lowe December 12, 2007
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