• Little scallywag
• Little scallywags
• Little scamp
• Little scrapper
• Little screecher
• Little scrooge
• Little short of (something)
• Little sister
• Little sleepyhead
• Little smarty
• Little smidge
• Little smidgeon
• Little sniffle
• Little snit
• Little snorter
• Little softy
• Little starveling
• Little stinker