Bog \Bog\, v. t. [imp. & p. p. Bogged; p. pr. & vb. n. Bogging.]

To sink, as into a bog; to submerge in a bog; to cause to sink and stick, as in mud and mire.

At another time, he was bogged up to the middle in the slough of Lochend. --Sir W. Scott.

Source: Webster's Revised Unabridged Dictionary (1913)