v. i. [ imp. & p. p. Wriggled p. pr. & vb. n. Wriggling ] [ Freq. of wrig, probably from OE. wrikken to move to and fro; cf. LG. wriggeln, D. wrikken, Sw. vricka, Dan. vrikke. ] To move the body to and fro with short, writhing motions, like a worm; to squirm; to twist uneasily or quickly about. [ 1913 Webster ]

Both he and successors would often wriggle in their seats,
as long as the cushion lasted. Swift. [ 1913 Webster ]

v. t. To move with short, quick contortions; to move by twisting and squirming; like a worm. [ 1913 Webster ]

Covetousness will wriggle itself out at a small hole. Fuller. [ 1913 Webster ]

Wriggling his body to recover
His seat, and cast his right leg over. Hudibras. [ 1913 Webster ]

a. Wriggling; frisky; pliant; flexible. [ Obs. ] “Their wriggle tails.” Spenser. [ 1913 Webster ]

n. Act of wriggling; a short or quick writhing motion or contortion. [ Webster 1913 Suppl. ]

[ 1913 Webster ]

n. One who, or that which, wriggles. Cowper. [ 1913 Webster ]