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1.
In video-gaming, the act of pressing your gamepad's buttons as quickly as possible, often randomly.
A technique employed by the uninitiated in fighting games, sometimes to great effect, highlighting the brainlessness of the button-bashing genre.
The descriptively more accurate and better-sounding progenitor of the 'button-mashing' bastardization.
"I don't want to play fighting games with you because it's just mindless button-bashing. Plus, you're black"
by Goatlips July 12, 2008
 
2.
1. When a mans penis enters another persons bottom
2. A person who randomly presses buttons
i was button bashing my boyfriend when my girlfriend walked i on us!

I love button bashing it makes the tv go all funny.
by TheSexGod7 January 31, 2009