s, a, o, l, n, p are letters that make 'slap on'
la, SL, on, slap, lap, LA, La are words within 'slap on'
1 possible definitions for 'slap on'
Under this definition, slap on is a verb and has the following properties:
clap on, slam on have the same meaning as 'slap on'
'slap on' can be a type of put on, apply.