49 entries under slang topic. ×

1
goo-goo(noun, sick, mad person)
1
goof(noun, sick, mad person)
1
jerk-off(noun, sick, mad person)
1
knee-jerk(noun, sick, mad person)
1
loom(noun, sick, mad person)
1
looneybin(noun, sick, mad person)
1
loony tune(noun, sick, mad person)
1
luny(noun, sick, mad person)
1
mental(noun, sick, mad person)
1
mishoogeh(noun, sick, mad person)
1
mishugah(noun, sick, mad person)
1
not all there(noun, sick, mad person)
1
nougat(noun, sick, mad person)
1
nuts(noun, sick, mad person)
1
schiz(noun, sick, mad person)
1
schizo(noun, sick, mad person)
1
screw-loose(noun, sick, mad person)
1
trainwreck(noun, sick, mad person)
1
weener(noun, sick, mad person)
1
weeney(noun, sick, mad person)
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APASmart Define. (2016). loon thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/loon/thesaurus/synonyms
ChicagoSmart Define. 2016. "loon thesaurus" https://smartdefine.org/loon/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, loon thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/loon/thesaurus/synonyms>.
MLASmart Define. "loon thesaurus" 29 February 2016. Web. 26 September 2026. <https://smartdefine.org/loon/thesaurus/synonyms>