English in strips -- Liberty Meadows - Frank Cho - 1

Chill - a feeling of being cold
Cuz - because
To shape up - to progress, to improve, to develop in a positive way
To supply - to provide, to offer
Heads/Tails - sides of a coin


References:
Strip - http://www.libertymeadows.com
Definitions - Oxford advanced learner's dictionary and http://www.Wordreference.com