A urinal device comprises an upper opening, a reservoir portion, a funnel portion, a drain pipe portion, and a lower opening. The upper opening is configured for receiving urine from above. The reservoir portion extends downwards from and is formed below the upper opening and configured for holding urine received through the upper opening temporarily. The funnel portion extends downwards from and is formed below the reservoir portion and configured for draining urine from the reservoir portion. The drain pipe portion extends downwards from and is formed below the funnel portion and configured for draining urine from the funnel portion. The lower opening is formed at a lowest end of the drain pipe portion. The reservoir portion has a largest cross-sectional area between the upper opening and the funnel portion, so that the reservoir portion has a volume enough to hold urine.
