Inserting the male genitals into the female's vagina
"Yo son, just slip her the d!"
"How'd things go with her?"..."Oh ya know...I slipped her the d"
"What are you doing?"..."Just slipping the d"
"How'd things go with her?"..."Oh ya know...I slipped her the d"
"What are you doing?"..."Just slipping the d"
by g-dub crew August 21, 2006
Get the slipping the dmug. 1. When a senior (usually highschool) has some form of sexual intercourse with a female of a lower grade (Junior, Sophomore, Freshman)
"Ashley wants me dude. I'm gonna slip her the senior d. Yeah I realize she's only a freshman but don't worry about that."
by PolishThug April 01, 2010
Get the Slip Her The Senior Dmug.