slath·er 
(slăthər)
(slăthər)tr.v. slath·ered, slath·er·ing, slath·ers
Informal
Informal
a. To spread or smear in large amounts: slathered sunscreen on his arms.
b. To cover with something spread or smeared in large amounts: slathered the bagels with cream cheese.
n. often slathers
Informal
Informal
A great amount: slathers of money.
[Origin unknown.]