1) Freaking out

2)Doing things in a very confused manner possibly while high ( If High very similar to "tripping balls")

Serves as a multiplier of sorts for the adjective "Sketch." Can be used to describe any person or situation that is unpleasantly odd or out of place. Often used specifically to denote a person who may seem untrustworthy, paranoid, or generally displeasing.

A sketchy, weird, or suspicious person.

someone who is sketchy or creepy

A person, place, or event that is of questionable quality and/or reputation

1. One who is "sketch" quite often.

Verb, to exibit sketchy behaivior