a cum sandwich
or a sandwich filled with cum

usually the ones with the wierd coloured 'mayonnaise'

a) mmm man this sandwich is good, what filler did you use?
b) thats actually a cumwich mate
a) EURGH! thats the last time you do this to me!
*a pukes on b*
by James =] August 23, 2007
Top Definition
When you eat her out after you give her anal
I had a cumwich with my GF last night and now I'm kind of ashamed
by Dävisonnē Pręscøţť July 10, 2016
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