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The simple act of selection of the swiss, often used to select ones choice in shops. The swiss finger is simply extending ones index finger and arm and continuing to then shake the hand of extended index finger. Thus presenting the direction to ones attention.
A swiss man shows what sandwich he desires by swiss fingering it to show his selection.

man:oh she got me the wrong sandwich
swiss man: i always get what i want when i use the swiss finger! thank god im swiss!
by Swissbun November 26, 2011
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