A term that should only be used to describe how one annihilated a girl's baby cave,vagina, cooter, or puss hole with his or her fingers.
Right after Jessica got done giving oral to my meat log I finger slammed her clam and found out she had infestation of roaches in her bush.
by poopieweinerhole April 20, 2010
A fingerslam is when a man has his partner jam their finger(s) into his urethra. Also a popular shock site hosted by the infamous meatspin.
by Ratheon April 29, 2007
by MARV AND BRIAN June 23, 2009
when you jam one or more fingers into the pee hole of a penis. which usually results in urinating blood and inability to procreate.
by arewhyan September 27, 2007
by team dry hump April 03, 2010
by Goaf May 17, 2007