1 definition by Flama741
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