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3.
1)the sex position between 2 guys and a girl. man 1 and the girl get into the 69position while guy # 2 gives it to the girl in the ass.
2)the sex position between 2 guys and a girl where guy #1 lies on his back and bangs girl #1 while guy# 2 bangs her in the ass
gibby is looking fine tonight i cant wait to jacob's ladder her walt said to sean
by C_murph324 August 29, 2006
 
1.
i piercing that goes up the to head of the penis making it look like a ladder
damn did you see that dude!!! at the fetish club he had a jacobs ladder

holy shit!!!!!!!!!!! that must of hurt
by AWS June 20, 2003
 
2.
Several piercings down the length of the shaft of the penis.
8=:=:=:=D

You can see the three piercings making up the Jacobs Ladder.
There are often more.
by Jethrob May 08, 2008