(informal, uncountable) Mucus, especially mucus from the nose.

(slang, countable) A contemptible child.

(US ?, figurative, informal) A blemish or encumbrance that one exercises out of something.

(transitive, intransitive) To blow, wipe, or clear (the nose).

(intransitive) To sniff or snivel; to produce snot, to have a runny nose.