Crawling inside your bellybutton

Someone who wants to literally be their significant other/friend/acquaintance. They constantly need to be touching you or around you, and if they don’t see you for a day, they complain about it. If someone they like to be around hangs out with other friends without them, they also complain about it. They are obsessed with quantity over quality.

“Dude Chelsea is crawling inside your bellybutton lately”

“Why is your friend acting like she/he wants to literally be you? She’s/He’s crawling inside your bellybutton”