I urgently need to find a toilet.
'Urgente' — ur-JEN-te. Soft 'g' before 'e'; three syllables; stress on the second.
Say this when you desperately need a toilet while out in an Italian city. The fastest options are nearby bars (order a coffee), McDonald's, or asking someone to direct you to a public facility.
'Ho urgente bisogno di' (I urgently need to) — placing 'urgente' before 'bisogno' creates an adjectival intensifier. Alternatively: 'ho urgentissimo bisogno' (superlative intensity). 'Trovare un bagno' (to find a bathroom) — 'trovare' requires you to succeed in locating it.
Dov'è il bagno più vicino?
Where is the nearest toilet?
Simpler, more direct version.
Posso usare il bagno del bar?
Can I use the bar's toilet?
Buy something small if asked.
C'è un WC pubblico qui vicino?
Is there a public toilet nearby?
Look for WC signs or ask a local.
The Italian solution to the public toilet shortage is the bar espresso — a standing espresso at a bar (€1–1.30) gives you the right to use the facilities. This social contract is understood by all. McDonald's and large shopping centres also have reliable free facilities in city centres.