1. spreading or applying something thickly and generously
Usage: present participle of slather

1. the act of spreading something thickly
Usage: gerund form

Examples

• She was slathering butter on her toast.
• The chef is slathering barbecue sauce on the ribs.
• He spent the morning slathering sunscreen on his children.
• The painter was slathering thick layers of paint on the canvas.
• Stop slathering so much mayo on your sandwich.
• The slathering of cream cheese made the bagel messy to eat.