The difference between Boo-boo and Drop a deuce

When used as verbs, boo-boo means to defecate, whereas drop a deuce means to release feces into a toilet etc.: to defecate.

Boo-boo is also noun with the meaning: a mistake or error.

check bellow for the other definitions of Boo-boo and Drop a deuce

Boo-boo as a noun (countable, colloquial, often, childish):

A mistake or error.
Boo-boo as a noun (countable, colloquial, childish, by or to young children):

A minor injury, such as a cut or a bruise.
Boo-boo as a noun (uncountable, colloquial, childish, by or to young children):

Feces.

Boo-boo as a verb (colloquial, childish, by or to young children):

To defecate.

Drop a deuce as a verb (euphemistic, slang):

To release feces into a toilet etc.: to defecate.