The Legit badass person you call yours for the rest of your life that has your back and never gives up on you
Look Shackelnerd your Lifemate has out did himself again
by Hd#48 October 20, 2019
by tandre August 4, 2008
A best friend who is so close, that were they not to match your sexual orientation, you would be married to them. Other sexual orientations may use "homo lifemate" or equivalent.
by Dustin Freeman November 29, 2005
*on the phone*
jack: "i miss you man, when are you coming home?"
phil: "next thursday...only 5 more days!"
jack: "i can't wait to see ya bro, i have so much to tell you...you've really been missin' out!"
phil: "i love you, man!"
jack: "i love you too, bro!"
*off the phone*
tina: "man, if i didn't know any better, i'd think you two were gay together!"
jack: "shut up! he's just my best friend, my bro, leave me alone!"
tina: "don't get so deffensive...i know you two are just hetero-lifemates."
jack: "i miss you man, when are you coming home?"
phil: "next thursday...only 5 more days!"
jack: "i can't wait to see ya bro, i have so much to tell you...you've really been missin' out!"
phil: "i love you, man!"
jack: "i love you too, bro!"
*off the phone*
tina: "man, if i didn't know any better, i'd think you two were gay together!"
jack: "shut up! he's just my best friend, my bro, leave me alone!"
tina: "don't get so deffensive...i know you two are just hetero-lifemates."
by girl7 December 7, 2006
Your closest platonic friend.
by IceIceBurghy November 4, 2008
by Hopcoppkinson July 12, 2021