"Phat trax" is used to describe songs which have both "fresh rhymes" and "mad beats". If the music is lacking either of these, it does not qualify as "phat trax".

"Phat trax" is both singular and plural.
"If you lay down some mad beats, Dre can make phat trax all day long."
by Ovens December 17, 2004
Get the phat trax mug.