godan verb (-su), transitive verb
Vulgar slang for seducing or making a sexual advance. Often used in rough or casual male speech.
あいつ、また女の子をこまそうとしてるよ。
That guy is trying to hit on a girl again.
ナンパ師が道端で女の子をこましてた。
A pickup artist was seducing a girl on the street.
godan verb (-su), intransitive verb
Slangy, often used in a rough or forceful tone for giving something, sometimes with a nuance of reluctantly handing over or bestowing.
お前、金こませよ。
Hey, give me some money.
先輩が後輩に仕事をこました。
The senior dumped work on the junior.