your closest friend of the same sex, the person you'd be with if you were both homosexual.
*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."
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.
Yeah Dave's my hetero lifemate. We tell each other everything.
Someone of the same sex who you hang out with enough to consider your life mate, but not in a gay way.
I'm Jay, and this is my hetero life mate Silent Bob
best friends who no longer refer to themselves as best friends. because their so close they know they will never part.
dude are corey and billy gay?
No man their just hetero life mates.
OHH ok dude.
Two people of the same gender and heterosexual orientation who decide to be each others life partners, but asexually; living together but unromantically.
Diane and Mary decided that if they were unattatched by the age of 35, they would move to NY together and be hetero life mates.
A platonic soulmate. aka a friend you wouldn't fuck.
She's not my best friend. She's my heterolifemate