Plump Ump.
Fat rat is probably the phrase you are looking for. A rat is a rodent, and fat means overweight.
Bleak peak is a hink-pink or rhyming word pair answer to the riddle "dreary mountaintop."
A rhyming word pair for an unhealthy sea mammal is a pale whale or frail whale
not a bent cent
shy fly
plump ump
plump ump
Using rhyming word pairs to create synonyms of other descriptive pairs is often used as brain teasers for children. For example, an overweight referee is also a plump ump.
fat rat
fat cat
fat rat
Fat rat is probably the phrase you are looking for. A rat is a rodent, and fat means overweight.
Rhyming word pair for home for a rodent?
Rhyming word pair for Friend who does not arrive on time?
Rhyming word pair for happy boy?
Fatcat!