What does 勾过来 (gōu guòlái) mean in 你就直接勾过来，我觉得欠妥?
勾过来 is colloquial. It can be considered as the short version of 勾引过来.  勾引 means entice, seduce, or tempt. 过来 here is a  complement. 

Your interpretation come over with the intention of hooking up for 勾 is fine too.