Definition of misguggle in US English:
misguggle
verb
Irish English, Scottish, Northern
with object To handle roughly, maul; to spoil.
Origin
Early 19th century; earliest use found in Walter Scott (1771–1832), poet and novelist. Probably from mis- + guggle (although this is first attested later).
Pronunciation
misguggle
/mɪsˈɡʌɡ(ə)l/