knacken (ww):
dutten(en) to sleep, in a temporary, charitable, or necessary situation., een uiltje knappen(en) to sleep, in a temporary, charitable, or necessary situation., maffen(en) to sleep, in a temporary, charitable, or necessary situation., overnachten(en) to make informal temporary living arrangments.
Via: Dbnary en WikiWoordenboeken
Via: Memodata.com