The act of simulating the sound of a bong rip and making physical contact with the mouth on the recipients genitalia with water in the mouth of the person giving the "water bomb".
The act of creating pieces of poo that when falling in the toilet, creates a splash that goes up to your anus and makes you wet. Obviously made when taking a dump.
When Christina tells her friends about having suicide water bombs, the guys overhear the part of her getting wet. They then get aroused.
-1 ounce of H2O which is then dropped into a half glass of water. The resulting combination is then slammed back leaving the drinker incredibly refreshed.