Fully

[Sarah]

In a full manner or degree; completely; entirely; without lackor defect; adequately; satisfactorily; as, to be fully persuaded ofthe truth of a proposition. Fully committed (Law), committed toprison for trial, in distinction from being detained for examination.

[Sarah]

Said to mean Really, Totally, Completely, a lot, very much so or to add emphasis to something.
Also said as an acknowledgement meaning O.K or I agree/concur. Said 'fulllllllleeeeee bro' in the west of Sydney or anywhere 'West' in Australia.

[Sarah]

A fully automatic weapon

[Sarah]

To see a woman's whole entire boob.

[Couch Potatoe]

Forming adverbs corresponding to adjectives ending in -ful (such as sorrowfully corresponding to sorrowful).

[Magaret]

Completely or entirely; to the fullest extent.