The act of a man penatrating a women from behind while eating a roast beef sandwich made with great value wal-mart brand off of her back.
The large man was happy to be able to make love while eating at the same time while performing a wal mart sack lunch.
by ogtripleog615 September 28, 2010
Jane had to brush her hair before the meeting because she had just returned from a sack lunch.
Jane had to work late so she scheduled a sack lunch with her date.
Jane had to work late so she scheduled a sack lunch with her date.
by Janibob August 1, 2017
A sexual position performed by two people, one of which has to be a male. The man inserts his penis between his partner's nose and mouth (in the area where a mustache grows) and peforms a repetitive humping motion, while his partner makes duck lips.
Subject 1: Yo, last night this chick showed me a new sex position called the "portuguese sack lunch", I liked it a lot.
Subject 2: Man, you are one twisted small dicked motherfucker.
Subject 2: Man, you are one twisted small dicked motherfucker.
by Flama741 February 20, 2018