havoc - Widespread destruction
rife - (especially of something undesirable or harmful) of common occurrence; widespread
flex - Bend (a limb or joint)
berserk - To behave in a wild and uncontrolled way as a result of something unexpected happening.
wheeze - To breathe loudly and with difficulty
bonkers - Mentally unbalanced, mad and crazy, usually meant humorously
dwell - To live in or at a specified place
canny - Having or showing shrewdness and good judgment, especially in money or business matters
flippant - Not showing a serious or respectful attitude
feeble - Lacking physical strength, especially as a result of age or illness
lucid - Expressed clearly; easy to understand
shrew - A woman who is argumentative, nagging, and ill tempered.