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The act of making one's self vomit after a meal, by using a finger (preferably middle) to gag and expel the contents of the stomach.

I followed up that hearty Thanksgiving Day dinner with a delicious finger sandwich. I feel so much thinner now!
by c0linito July 24, 2008
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The act of two males grinding on a female, while the male on the frontside fingers the female. The behind male may do the same, creating a sandwich.
The two guys were sandwiching the girl on the dance floor, both fingering her, creating a finger sandwich.
by 825 Woodland October 20, 2011
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The process of performing cunnilingus while lovingly providing digital stimulation to your girlfriend.
Norah: I have the naughtiest craving right now...
Kimber: what, like a finger sandwich perhaps?

Norah: yes, that's EXACTLY what we want! Spread 'em woman, so I can have a taste!
by Lanky Cougar August 30, 2016
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