A combination of lust and love. Normally used when you're in a new relationship with somebody and think you love them after a short amount of time like a week or so. You're in lust with them but you think you're in love with them.
"Emy and Jerry just hooked up last week. They can't be in love. They're in lustove."
The act of ingesting the leftover bodily secretions from ones bedsheets at least 12 hours after sexual relations
Dude! I had such delicious lustovers last night! Jack's salty man-cream really hit the spot.