an expression rarely used in chatting
and probably the main reason no one knows about it,
this word, however, can be used sarcastically together with the smile " :P "
Dude1 - did u see that girl? she had a penis!
Dude2 - yea i kno. adl. XD
Dude1 - dude. did u se that ugly cat?
Dude2 - yea. i adl :P. thats my cat u prick