ferrofluid

"Tingle, Tingle, Tangle Toes
She's a good fisherman
Catches hens, puts'em inna pens
Wier blier, limber lock
Three geese inna flock
One flew east, One flew west,
One flew over the cuckoo's nest
O-U-T spells out
Goose swoops down and plucks you out.