trippin- holding fallacious notions about something or about onesself (as one might have from 'trippin' on a hallucinogenic such as LSD). 2. Acting in an inappropriate or bothersome manner.
'straight' is used for emphasis.
He wants $2,000 for that hoopty? That fool's straighttrippin.
2. I can't go out tonight cause my mom is straight trippin.
Mr. Yesh was always lecturing us about the Illuminati's influence on the porn industry but when he arrived in Vegas, he and Mrs. Mueller got to straight bangin'.