Definition of stickum in English:

stickum

noun

North american
informal
  • [mass noun] A sticky or adhesive substance; gum or paste.

    [as modifier] ‘we put stickum paper over the cracks’
    figurative ‘high-school football games are the stickum that fuses the whole community’
    adhesive, glue, fixative, gum, paste, bonding, binder, sealer, sealant
    View synonyms

Origin

Early 20th century: from the verb stick + -um (representing the pronoun them).

Pronunciation:

stickum

/ˈstɪkəm/