From youtuber D’Aydrian Harding, meaning in some where. Added for dramatic effect of in something.
1: you coming to the party tonight ?
2: Michael’s ?
1: yea
2: oh yea we in there like booty hair
A phrase used by people that rush bomb site in Rainbow Six Siege.
1: You rushing site bro?
2: Yeah bro I'm in there like booty hair