Term used to insinuate anal sex. Supposedly derived from "pushing tush" (to insert one's penis into an anus). Can be used for both heterosexual and homosexualrelationships.
Facial hair (usually of male origin) that obstructs and protrudes between the seal of the N-95 mask and his (or her) face creating what appears to be an untamed Bush.
“Hey Richard Cranium, either take care of your N-Ush or don’t wear the N-95. You’re scaring the pediatrics and offending the mature female patients.”