Large, beautiful breasts that are keep well consealed and initially appear to be much smaller and less impressive than they actually are until unleashed.

a person who you just cant respect under any circumstances. a disgrace to society. "the lowest of the low"

you can point out a shmeeb very easily. they can be either dorky, ugly, not funny, disgraceful, stupid, disgusting, scummy or any of the above

Cute and dorky, but not in a mean way when used as a noun.
As in "She's such a Shmeeb."

Can also mean cute little kids.

Can also be used when you don't have a clue what is going on as in "What the Shmeeb??"

Mammaries. Female breasts. Jumper puppies.

a strong, tough man boob

Very small breasts, no more than a mouthful, smallest of the categorising system that includes jubbly wubblies and whopping doopsies.