to wallpaper, to hang wallpaper, to hang/drape/cover with
[verb]
[be-han-gen, be-hing, be-han-gen]

The noun that goes with “behangen” is “behang”: wallpaper.

Examples:
1. “Dat is leuk behang!”
(“That is nice wallpaper!”)

2. “Sander heeft zijn woonkamer behangen.”
(“Sander has wallpapered his living room.”)

3. “De wand was volledig met schilderijen behangen.”
(“The wall was completely hung with paintings.”)

Expression:
“Iemand/iets achter het behang willen stoppen.”
(“To put somebody/thing behind the wallpaper.”)

This expression is used when you have had enough / are sick of somebody or something.

Example:
“Na 55 jaar huwelijk wilde de vrouw haar man achter het behang stoppen.”
(“After 55 years of marriage the woman wanted to put her husband behind the wallpaper.”)