when you miss someone so much, you feel like you could die; lovesick to it's peak; you feel as if it's been eternity since you've seen someone because you miss them so bad
Yosef: Dude, you see that astrolabe yesterday? All the clouds looked like yeshiva bochurs with nice payis.
Shloimi: Nah bro, but I heard that the wholesky looked like it was wearing a warm winter jacket.