Boga (බොග)or Bo(n)ga (බොඟ) - Partially taboo word which means excrement. Boga Charge (බොග චාජ්) means having a nature call. Etymology might be linked to English slang Bog
Choo (චූ) or Chu (චූ) - Urine. Hujja (හුජ්ජ) is a more vulgar/colloquial term for urine, which is not used by upper social segments.
Chu karanawa (චූ කරනවා) or Choo Danawa (චූ දානවා) means to pass urine. Dotta Yanawa (දොට්ට යනවා) is a colloquial and rather outdated slang for urinating. Sinduwak Kiyanawa, Haawek Allanna Yanawaa - TBA
Dayal eka (ඩයල් එක) - The face (e.g. Dekala purudu dayal ekak (දැකලා පුරුදු ඩයල් එකක්) means 'A familiar face') or the personality person (e.g. Oonam maara dayal ekak (උෟනම් මාර ඩයල් එකක්) means 'What a guy is he'). Etimology is the English word: 'dial'. This term is mostly used to refer to the personality or demeanor than the 'face' of a person.
Eli Bahinawa (එළි බහිනවා) - Outdated colloquial slang for defecation. Not used by urban community.
Goo (ගූ) - Vulgar reference to Feces. Has similar usage as English term 'shit'. Varchas (වර්චස්) which is also an archiac formal term for excrement
Joka (ජොකා) - Male underwear. Derived from Jockstrap. However, sometimes used to refer to any type of men's undergarment and not only Jockstrap. Jangiya is a similar umbrella term which refers to panties of all kind.
Kabaraya (කබරයා) - vomit. Kabaraya Danawa (කබරයා දානවා) - to throw up (specially by a drunken person). Also the term Hotalaya (හෝටලය) is used to refer to a pile of vomit.
Rata Bodiya (රට බොඩිය) or Bodiya (බොඩිය) - literally 'foreign bodice' - an outdated term used by non-urban community to refer to a modern bra. This term is no longer in day to day use.
Pade (පඩේ) - Fart.
Passa (පස්ස) - Backside or buttocks. And also to mean anus for children.
Puka (පුක) - Means 'rectum' or sometimes buttocks. Not necessarily sexual. Not used in formal company; however regarded as mildly taboo. [1].
Sinduwak Kiyanawa (සින්දුවක් කියනවා) - Literally 'Sing'. Well hidden euphemism to mean 'urinate', nature call (e.g. Mang tak gala sinduwak kiyala ennam (මං ටක් ගාලා සින්දුවක් කියලා එන්නම්))
For following slang, refer to Examples of taboo Sexual Slang and Euphemisms section below
Æta (deka), Gala, Gedi (Deka), GÆta (Deka), Malli, Meeya,MÆ Æte, Nangi, Nuula, Pettiya, Topa