There are 2 definitions of taffy in English:

taffy1

Line breaks: taffy
Pronunciation: /ˈtafi
 
/

noun (plural taffies)

[mass noun]
1North American A sweet similar to toffee, made from brown sugar or treacle, boiled with butter and pulled until glossy.
More example sentences
  • We gorged ourselves on boardwalk treats: caramel apples, cotton candy, salt water taffy, hot waffles and ice cream.
  • This is expected if extensive reconnection is occurring, because as the magnetic fields stretch, the reconnection layer also stretches, like taffy being pulled.
  • November featured both All Saints' Day and Saint Catherine's Day, during which it was a French Canadian custom to pull taffy.
2US informal Insincere flattery: she told me that my music was perfectly wonderful, and taffy like that

Origin

early 19th century: earlier form of toffee, ultimate origin unknown.

Definition of taffy in:

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Pronunciation: vəˈt(y)o͞opəˌrāt
verb
blame or insult (someone) in strong language...

There are 2 definitions of taffy in English:

Taffy2

Line breaks: Taffy
Pronunciation: /ˈtafi
 
/
(also Taff /ˈtafi/)

noun (plural Taffies)

British informal , chiefly derogatory
A Welshman (often as a form of address).

Origin

mid 17th century: representing a supposed Welsh pronunciation of the given name Davy or David (Welsh Dafydd).