Dat

[Tanya Shivari]

that

[Raeanne Dimick]

Derived from THAT.
Commonly used by those who are either too lazy to add the fourth letter, or teen homeboys and teenybopper girls who think that it iz totali awzum to speel inkorectly. These people commonly listen to bastardised punk and NU Metal

[Becky]

Originally from the expression [dat ass], in which the targeted female derriere is said to induce an emotional response of amazement and/or attraction.

The same principle applies, except the ass is replaced by whatever object is source of the impression. Plural version can also be used (dem ..., see Example 3).

Can also be used in a sarcastic way with respect to the above utilization. (See Example 4, 5)

[Sarah]

a primitave version of the word that

[Britney]

used when people are too lazy to write that

[Tina]

is a short way of saying that mainly used in text messages. In miami fl its meaning is random..just pay attention to how its used in a sentence

[Jason Yan]

Just a name for Vietnamese