The use of sharp wit that combines sarcasm and snarkiness...
Samson has learned to to exercise discretion and sensitivity with his girlfriend by avoiding jokes and snarcasm.
Snarcasm - noun (Snark + Sarcasm)
1. harsh or bitter derision or irony that is brief, subtle, yet quite stabbing and funny.
2. a sharply ironical taunt; sneering or cutting remark employs coldbloodedness, creativity and is best served unprovoked.
He folded like a cheap cheap suit from the biting snarcasm.