Related Clues:

• Windowpane sealer
• "Silly" goop
• "Silly" egg stuff
• Glass pane securer
• Mixture of whiting and boiled linseed oil used as a building fixative
• Silly ___ (classic toy)
• Paste for fixing glass
• Caulking need
• Glazier’s thick paste
• Cement applied, try to avoid runs
• "Silly" stuff that stretches