Sicklying means making someone feel sick or causing something to seem sick.
Sicklying has a negative feeling. It means making someone feel bad or making something seem bad.
Examples:
The smell is sicklying me.
She is sicklying the food with her dirty hands.
The bad taste is sicklying my mouth.
The gross food is sicklying everyone.
The scary movie is sicklying my mind.
The rotten eggs are sicklying the whole kitchen.