A phrase that emphasizes that one is speaking very truthfully or stating a fact in which he truly believes. Literally means that the person would bet his life on the validity of the statement.
"Gotta keep ya cash coming and that's on my life." -Ja Rule, "Wonderful"
"Suge Knight's a bitch, and that's on my life." -Snoop Dogg, "Pimp Slap'd"
"I pissed on your 12-year-old daughter last night, and that's on my life." -R. Kelly, "Your Daughter Drank My Piss"
"Suge Knight's a bitch, and that's on my life." -Snoop Dogg, "Pimp Slap'd"
"I pissed on your 12-year-old daughter last night, and that's on my life." -R. Kelly, "Your Daughter Drank My Piss"
by Nick D September 28, 2005
Get the on my lifemug. Something you say to someone when they tell you something that doesn't happen to you or didn't happen to you
by stamfordallday July 5, 2010
Get the Not my lifemug. by Nea151rum February 3, 2010
Get the MY LIFEmug. by England October 26, 2018
Get the My lifemug. by Disappointed person July 27, 2017
Get the My lifemug. 
by BOB1313 July 20, 2009
Get the my lifemug.