pronoun
these guys; these fellows
Plural of こいつ; derogatory or familiar, used among close friends or when speaking contemptuously about a group of people. Not used in polite contexts.
こいつら、また遅刻かよ。
These guys are late again, huh?
こいつらには手を焼くよ。
I have my hands full with these fellows.
Plural form of こいつ, which is a contraction of 此れ (kore, 'this') and 奴 (yatsu, 'guy'). The plural suffix ら is added.