Gletta

As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):

gletta

f. banter, raillery, taunting; fara (ganga, ríða) í glett við e-n, to provoke one.

Possible runic inscription in Younger Futhark:ᚴᛚᛁᛏᛏᛅ

Also available in related dictionaries:

This headword also appears in dictionaries of other languages closely related to Old Icelandic.

• Old Norse - Cleasby & Vigfusson Dictionary
• Old Norwegian - Johan Fritzner's Dictionary