Buculets \ BUK'u'lets \ (n.)
The bumper guards on the underside of a toliet seat.
Charmadhesion \ sharm'ad'HEE'zhun \ (adv.)
The property of new toliet paper rolls where the "start" is glued to the roll or cannot be found; frequently resulting in charmangulation (see below) of the roll by the frustrated TP user.
Charmangulation \ shar'mang'yoo'LAY'shun \ (v.)
The act of ripping and clawing at a new roll of toliet paper in a vain attempt to find the "start". Usually results in numerous layers of toliet paper being ripped away and wasted before the roll starts to unwind correctly and can be placed in the dispenser.
Flowfright \ FLO'frite \ (n.)
The desperate attempt by a homeowner to talk his or her overflowing toliet into backing down.
Merferator \ MUR'fur'ay'ter \ (n.)
The cardboard core in a toliet tissue roll.
Pottyfright \ POT'ee'frite \ (n.)
In a public restroom, the act of directing your urine onto the side of the bowl instead of in the water because you're afraid someone else in the restroom will hear it.
Seatled \ SEET'uld \ (n.)
The act of being startled by the sound of the toliet seat hitting the bowl too hard.
The effect is exceptionally pronounced when it occurs at night.
Thermalophobia \ thur'muh'lo'FO'be'uh \ (n.)
The fear when showering that someone will sneak in, flush the toliet, and scald you to death.
Tile comet \ tyl KOM'it \ (n.)
Any streamer of toliet paper attached to your heel as you emerge from a public restroom.
Toilaflexion \ toy'lah'FLEK'shun \ (v.)
The unnatural twisting and bending motions made by people as they wipe while still seated on a toliet. Toilaflexion can occasionally result in pulls or strains if performed while standing.
Toilaknobules \ toy'lah'NOB'yools \ (n.)
Those plastic knob-like things that cover the floor bolts on a toliet.
Also a good place to look for Uronium (see below).
Uricide \ YER'eh'side \ (n.)
The act of killing a fly or other insect buzzing around in a toliet or urinal by shooting at it with your urine stream until you manage to hit it, knocking it into the fixture where it can be disposed of by flushing.
Urinator \ YER'en'ay'ter \ (n.)
A urinal that splashes your own pee all over your shoes or pants when you use it.
Uronium \ yer'OH'nee'um \ (n.) (Chemical symbol: Un, atomic number 327)
An odoriferous brown substance that usually exists between the toliet seat hinges and the bowl. Uronium may also appear around the bolts that hold the toliet to the floor. Most people refuse to acknowledge its existence and simply ignore it; choosing instead to mask its unique odor with Glade (tm) Plug-Ins (tm) or Wizard(tm) aerosol (tm).