When you curl up into a fetal position during intercourse, and prevent your partner from reaching your genitals.
"Yo man, last night I pulled the old Fetus Lock on my girlfriend, and now she thinks I need to see a counsellor "
by BellBoy August 20, 2014
Get the Fetus Lock mug.When someone (usually of the tall variety) stands up straight and their knees look like a fetus face. Also knows as 'Old Man Face Knees'.
by Mungo260 January 8, 2016
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When you slurp up a fetus' stem cells in order to aquire super human like strength similar to the hulk.
by The lover doctor April 7, 2016
Get the fetus juicing mug.When two people wrap themselves in a blanket to pretend they are twins in a womb. Often done as a street performance by homeless derelicts.
by meow13242 September 25, 2016
Get the fetusing mug.by Johnathan dirtyslut January 5, 2017
Get the fetuscarpet mug.by Zack-in-the-box July 7, 2018
Get the Feetseeying mug.It's your baby-daddy, but it's not a proper baby yet. It's a cluster of cells that may or may not have fingernails yet.
by Iregretitalreadybutit'sdone January 6, 2019
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