Hijack - To unlawfully seize control of a vehicle, especially an aircraft, while in transit.

Denigrate - To damage the good name or character of a person.

slam - Shut (a door, window, or lid) forcefully and loudly

wend - Go in a specified direction, typically slowly or by an indirect route

squirm - Wriggle or twist the body from side to side, especially as a result of nervousness or discomfort

skimp - Expend or use less time, money, or material on something than is necessary in an attempt to economize

snicker - Give a smothered or half-suppressed laugh; snigger

upgrade - To improve something to a higher level

shackle - Something that prevents freedom of movement, literally or figuratively

scamper - (especially of a small animal or child) run with quick light steps, especially through fear or excitement