schmear also schmeer or shmear 
(shmîr)
(shmîr)n.
Slang
Idiom: Slang
A portion of cream cheese or another spread, as on a bagel.
whole schmear
The entirety of something; everything.
[Yiddish shmir, smear, smudge, from shmirn, to smear, grease, from Middle High German smiren, from Old High German smirwen.]