Slam is a related term of cuff.
In lang=en terms the difference between slam and cuff
is that
slam is to change providers (eg of domain registration or telephone carrier) for a customer without clear (if any) consent while
cuff is to fight; to scuffle; to box.
In obsolete|lang=en terms the difference between slam and cuff
is that
slam is (obsolete) a type of card game, also called ruff and honours while
cuff is (obsolete) glove; mitten.
As verbs the difference between slam and cuff
is that
slam is (ergative) to shut with sudden force so as to produce a shock and noise or
slam can be (card games) to defeat by winning all the tricks of a deal or a hand while
cuff is to furnish with cuffs or
cuff can be to hit, as a reproach, particularly with the open palm to the head; to slap.
As nouns the difference between slam and cuff
is that
slam is (countable) a sudden impact or blow or
slam can be (obsolete) a type of card game, also called ruff and honours while
cuff is (obsolete) glove; mitten or
cuff can be a blow, especially with the open hand; a box; a slap.