dw it's nothing lewd
just a way to remember being safe when crossing a road
S - "Find a Safe place to cross, then stop."
P - "Stand on the Pavement near the curb."
L - "Look around for traffic and Listen."
I - "If traffic Is coming, let it pass."
N - "When there is No traffic Near, walk straight across the road."
K - "Keep looking and listening around for traffic while you cross."