tonto del culo
What it means
Vulgar emphatic insult for an idiot.
Literally “stupid in the arse”. Short editorial gloss; not an etymological claim.
Pronunciation Heard as “ton to del koo lo”
English spellings approximate sounds and omit some contrasts. Use as retrieval hints, not authoritative pronunciation.
Used as
How it's used
Especially Spain.
How strong is it? 3/5 · Vulgar
Especially Spain. Ratings are contextual editorial estimates, not calibrated probabilities.