Skookum - Chinook Jargon: strong, powerful
1825–35, Americanism;<Chinook Jargon: strong, powerful <Lower Chehalis (Salishan language of the Washington coast) skwəkwə́m ghost, spirit, monster (hence, apparently “fearsome” > “powerful” in Chinook Jargon)
I picked up this old Skookum ******...