The cutest pokemon by far. Also can be used to describe a guy who is absolutely perfect in every way. Can merge with pikachu to form squikachu, which is the epitome of awesomeness.
Onomatopoeia: Sound made from blood rushing from a severe injury, such as a gunshot, sword slash, etc. This is generally accompanied by hand gestures showing origin and volume of blood spray proportionate to the severity of the injury.
The paladin screamed "For great justice!" He swung his sword, cutting the demon's head off. Squirtle! <hand gesture from the neck, heading away.>